PT - JOURNAL ARTICLE AU - Inoue, Y. AU - Nakajima, M. AU - Hirai, T. AU - Ando, Y. TI - Reply: AID - 10.3174/ajnr.A4686 DP - 2015 Dec 31 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2015/12/31/ajnr.A4686.short 4100 - http://www.ajnr.org/content/early/2015/12/31/ajnr.A4686.full