RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E69 OP E70 DO 10.3174/ajnr.A6721 VO 41 IS 8 A1 Hirsch, J.A. A1 Chandra, R.V. A1 Beall, D. A1 Frohbergh, M. A1 Ong, K. YR 2020 UL http://www.ajnr.org/content/41/8/E69.abstract AB