1. Safety Research Laboratories; Mitsubishi Tanabe Pharma Corporation; 2-2-50, Kawagishi Toda Saitama 335-8505 Japan
2. Medicinal Chemistry Research Laboratories I; Mitsubishi Tanabe Pharma Corporation; 1000 Kamoshida-cho, Aoba-ku Yokohama Kanagawa 227-0033 Japan
3. Pharmaceutical Research Laboratories; Mitsubishi Tanabe Pharma Corporation; 16-89, Kashima 3-chome Yodogawa-ku Osaka 532-850 Japan