RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E5 OP E5 DO 10.3174/ajnr.A4988 VO 38 IS 1 A1 S.K. Rammos A1 C. Bortolotti A1 G. Lanzino YR 2017 UL http://www.ajnr.org/content/38/1/E5.abstract AB