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.A4452 A1 H.-J. Lee A1 F.-C. Chang YR 2015 UL http://www.ajnr.org/content/early/2015/06/25/ajnr.A4452.abstract AB