1. Department of Biochemistry; School of Pharmaceutical Sciences; University of Shizuoka; 52-1 Yada Suruga-ku Shizuoka 422-8526 Japan
2. Biofermin Kobe Research Institute; Biofermin Pharmaceutical; 7-3-4 Ibukidai-Higashimachi Nishi-ku Kobe 651-2242 Japan
3. Department of Functional Anatomy; School of Nursing; University of Shizuoka; 52-1 Yada Suruga-ku Shizuoka 422-8526 Japan