1. Pharmacokinetics Team, Pharmaceutical Research Laboratories, Nippon Kayaku Co., Ltd. 3-31-12 Shimo, Kita-ku, Tokyo 115–8588, Japan
2. Kyorin Pharmaceutical Co., Ltd., 1848 Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan
3. Ono Pharmaceutical Co., Ltd. 17-2 Wadai, Tsukuba-shi, Ibaraki 300-4247, Japan
4. Mitsubishi Tanabe Pharma Corporation 3-2-10, Dosho-machi, Chuo-ku, Osaka 541-8505, Japan
5. Sumika Chemical Analysis Service, Ltd., 1-135, Kasugade-Naka 3-chome, Konohana-ku, Osaka554-0022, Japan
6. Kaken Pharmaceutical Co., Ltd. 301 Gensuke, Fujieda-shi, Shizuoka 426-8646, Japan
7. Chugai Research Institute for Medical Science, Inc. 200 Kajiwara, Kamakura, Kanagawa 247-8530, Japan
8. Toray Research Center, Inc. 6-10-1 Tebiro, Kamakura, Kanagawa 248-0036, Japan
9. Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan