RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E104 OP E104 DO 10.3174/ajnr.A5758 VO 39 IS 9 A1 Nagpal, P. A1 Policeni, B.A. A1 Kwofie, M. A1 Bathla, G. A1 Derdeyn, C.P. A1 Skeete, D. YR 2018 UL http://www.ajnr.org/content/39/9/E104.abstract AB