PT - JOURNAL ARTICLE AU - J.C. Benson AU - S. Payabvash AU - B. Hoffman AU - M. Oswood AU - A.M. McKinney TI - Reply: AID - 10.3174/ajnr.A4991 DP - 2016 Oct 13 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2016/10/13/ajnr.A4991.short 4100 - http://www.ajnr.org/content/early/2016/10/13/ajnr.A4991.full