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.A5447 A1 Nunes, R.H. A1 Hsu, C.C.-T. A1 Watkins, T.W. A1 Osborn, A.G. YR 2017 UL http://www.ajnr.org/content/early/2017/10/18/ajnr.A5447.abstract AB