PT - JOURNAL ARTICLE AU - A. Hock AU - A. Henning AU - S.S. Kollias TI - Reply: AID - 10.3174/ajnr.A3810 DP - 2013 Nov 28 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2013/11/28/ajnr.A3810.short 4100 - http://www.ajnr.org/content/early/2013/11/28/ajnr.A3810.full