RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E12 OP E12 DO 10.3174/ajnr.A6932 VO 42 IS 3 A1 Strauss, S.B. A1 Lantos, J.E. A1 Phillips, C.D. A1 Gupta, A. A1 Lin, E. YR 2021 UL http://www.ajnr.org/content/42/3/E12.abstract