1. Department of Pharmacology, Kitasato University School of Medicine, Kanagawa 228-8555, Japan
2. Department of Thoracic Surgery, Kitasato University School of Medicine, Kanagawa 228-8555, Japan
3. Department of Internal Medicine, Kitasato University School of Medicine, Kanagawa 228-8555, Japan
4. Department of Microbiology, Kitasato University School of Medicine, Kanagawa 228-8555, Japan
5. Department of Anatomy, Kitasato University School of Medicine, Kanagawa 228-8555, Japan
6. Minase Research Institute, Ono Pharmaceutical Co. Ltd., Osaka 618-8585, Japan
7. Department of Physiological Chemistry, Faculty of Pharmaceutical Sciences
8. Department of Pharmacology, Faculty of Medicine, Kyoto University, Kyoto 606-8501, Japan