RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E91 OP E91 DO 10.3174/ajnr.A6827 VO 41 IS 11 A1 Nicholson, P. A1 Alshafai, L. A1 Krings, T. YR 2020 UL http://www.ajnr.org/content/41/11/E91.abstract AB