1. Translational Research Laboratory, Tokushima Research Center, Taiho Pharmaceutical Co., Ltd., Kawauchi-Cho, Tokushima-shi, Tokushima 771-0194, Japan
2. Applied Pharmacology Laboratory, Tokushima Research Center, Taiho Pharmaceutical Co., Ltd., Kawauchi-Cho, Tokushima-shi, Tokushima 771-0194, Japan
3. Tsukuba Research Center, Taiho Pharmaceutical Co., Ltd., Okubo, Tsukuba, Ibaraki 300-2611, Japan