1. Discovery Research Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama331-9530, Japan
2. Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama331-9530, Japan
3. Pharmaceutical Sciences Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama331-9530, Japan