1. Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan
2. Bioanalysis Department, Advanced Technology Center, Medical Solution Segment, LSI Medience Corp., 30-1, Shimura 3-chome, Itabashi-ku, Tokyo 174-8555, Japan
3. Drug Metabolism & Pharmacokinetics Research Laboratories, R&D Division, Daiichi Sankyo Co., Ltd, 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
4. Scientific Research and Business Development Department, Towa Pharmaceutical Co., Ltd, Kyoto Research Park KISTIC #202, 134 Chudoji Minami-machi, Shimogyo-ku, Kyoto 600-8818, Japan
5. Current address: Scientific Research and Business Development Department, Towa Pharmaceutical Co., Ltd, National Cerebral & Cardiovascular Center #30602, 6-1, Kishibe Shinmachi, Suita, Osaka 564-8565, Japan
6. Osaka Laboratory, Technical Solution Headquarters Sumika Chemical Analysis Service, Ltd, 1-135, Kasugade-naka 3-chome, Konohana-ku, Osaka 554-0022, Japan
7. Drug Development Solutions Center, Sekisui Medical Co., Ltd, 2117 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1182, Japan
8. Division of Medical Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan