RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E2 OP E2 DO 10.3174/ajnr.A3827 VO 35 IS 1 A1 Cloft, H.J. YR 2014 UL http://www.ajnr.org/content/35/1/E2.abstract AB