RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E42 OP E42 DO 10.3174/ajnr.A4744 VO 37 IS 5 A1 Ramalho, J. A1 Semelka, R.C. A1 Ramalho, M. A1 Nunes, R.H. A1 AlObaidy, M. A1 Castillo, M. YR 2016 UL http://www.ajnr.org/content/37/5/E42.abstract AB