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 M. Messer A1 P.A. Ringleb A1 S. Nagel YR 2017 UL http://www.ajnr.org/content/early/2017/06/29/ajnr.A5319.abstract AB