RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E20 OP E20 DO 10.3174/ajnr.A5045 VO 38 IS 3 A1 P. Tiwari A1 L. Wolansky A1 A. Nayate A1 A. Madabhushi YR 2017 UL http://www.ajnr.org/content/38/3/E20.abstract AB