PT - JOURNAL ARTICLE AU - Wittschieber, D. AU - Karger, B. AU - Niederstadt, T. AU - Pfeiffer, H. AU - Hahnemann, M.L. TI - Reply: AID - 10.3174/ajnr.A4327 DP - 2015 Mar 12 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2015/03/12/ajnr.A4327.short 4100 - http://www.ajnr.org/content/early/2015/03/12/ajnr.A4327.full