RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E64 OP E64 DO 10.3174/ajnr.A4887 VO 37 IS 10 A1 A. Morotti A1 J.M. Romero A1 R. Gupta A1 J.N. Goldstein YR 2016 UL http://www.ajnr.org/content/37/10/E64.abstract AB