RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A5319 A1 Messer, M. A1 Ringleb, P.A. A1 Nagel, S. YR 2017 UL http://www.ajnr.org/content/early/2017/06/29/ajnr.A5319.abstract AB