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 Tiwari, P. A1 Wolansky, L. A1 Nayate, A. A1 Madabhushi, A. YR 2017 UL http://www.ajnr.org/content/38/3/E20.abstract AB