1. Biofermin Kobe Research institute; Biofermin Pharmaceutical Co., Ltd.; 7-3-4 Ibukidai-Higashimachi, Nishi-ku Kobe 651-2242
2. Department of Pharmacology; Kyoto Pharmaceutical University; 5 Nakauchi, Misasagi, Yamashina Kyoto 607-8414
3. Department of Pharmacology; Kobe Pharmaceutical University; 4-19-1 Motoyama-kita, Higashinada Kobe 658-8558 Japan
4. Laboratory of Immunopharmacology; Faculty of Pharmaceutical Sciences; Setsunan University; 45-1 Nagaotoge-cho, Hirakata Osaka 573-0101