1. Department of Molecular Chemistry and Biochemistry,
Faculty of Science and Engineering, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan
2. Faculty
of Pharmaceutical Sciences, Doshisha Women’s College of Liberal Arts, Kyotanabe,
Kyoto 610-0395, Japan
3. Department of Microbiology, Kansai Medical University, Hirakata, Osaka 573-1010, Japan