1. Drug Safety Research Laboratories, Hikari Branch, Takeda Chemical Industries, Ltd., 4720 Mitsui, Hikari-shi, Yamaguchi, Japan
2. Laboratory Animal Center, Kumamoto University Medical School, 2–2–1 Honjo, Kumamoto-shi, Kumamoto, Japan
3. Institute for Experimental Animals, The University of Tsukuba, Tennodai, Sakura-mura, Niihari-gun, Ibaraki, Japan
4. Drug Safety Research Laboratories, Takeda Chemical Industries, Ltd., 6–10–1 Himuro-cho, Takatsuki-shi, Osaka, Japan