RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E17 OP E17 DO 10.3174/ajnr.A5006 VO 38 IS 2 A1 Brinjikji, W. A1 Yamaki, V. A1 Lanzino, G. YR 2017 UL http://www.ajnr.org/content/38/2/E17.abstract AB