RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E23 OP E23 DO 10.3174/ajnr.A3481 VO 34 IS 2 A1 L. Vedolin YR 2013 UL http://www.ajnr.org/content/34/2/E23.abstract AB