Effects of emergent carotid stenting performed before or after mechanical thrombectomy in the endovascular management of patients with tandem lesion: a multicenter retrospective matched analysis

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.

Neuroradiology Unit (L.S.), Henri Mondor Hospital, Creteil, France; Catholic University School of Medicine (F.C., A.B.), Rome, Italy; Interventional Neuroradiology Unit (A.M.A., A.P.) and Neurology Unit (V.B., A.B.), Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Stroke Unit (F.A.) and Interventional Neurovascular Unit (N.L.), A.O.U. Careggi, Florence, Italy; Neuroradiology Unit (M.R.), M. Bufalini Hospital, Cesena, Italy; Neuroradiology Unit (M.P.), ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Neuroradiology Unit (J.D.G), Policlinico Universitario di Padova, Padua, Italy; Department of Biomedicine and Prevention (V.D.R.), University Hospital of Rome “Tor Vergata”, Rome, Italy; Neuroradiology Unit (D.G.R), AOU S Giovanni di Dio e Ruggi di Aragona, Salerno, Italy; Cerebrovascular Diseases Unit (A.C.), IRCCS Fondazione Mondino, Pavia, Italy; Neuroradiology Unit (G.S.), San Martino Hospital, Genua, Italy; Interventional Neuroradiology Unit (P.P.) IRCCS San Raffaele University Hospital, Milan, Italy; Neuroradiology Unit (A.A.C.), AOU Policlinico G. Martino, Messina, Italy; Neuroradiology Unit (R.R.), A.O. Città della Salute e della Scienza, Turin, Italy; Stroke Unit, Ospedale Civile di Baggiovara (G.B.), Modena, Italy; Interventional Neuroradiology Unit (L.M.), University Hospital Policlinico Umberto I, Rome, Italy; Interventional Radiology Unit (V.S.), "SS Annunziata" Hospital, Taranto, Italy; Neuroradiology Unit (E.L.), Vito Fazzi Hospital, Lecce, Italy; Department of Neurology and Stroke Center (L.C., A.Z.), IRCCS Istituto delle Scienze Neurologiche di Bologna, Maggiore Hospital, Bologna, Italy; Department of Neuroradiology (F.C.), Pitié-Salpêtrière Hospital, Paris, France.