TY - JOUR T1 - <em>Reply:</em> JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - E37 LP - E37 DO - 10.3174/ajnr.A5146 VL - 38 IS - 5 AU - J. Yuan AU - M. Graves Y1 - 2017/05/01 UR - http://www.ajnr.org/content/38/5/E37.abstract N2 - ER -