1. School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda 669-1337,
Japan
2. Okayama University Graduate School of Medicine, Dentistry, Pharmaceutical
Sciences,
1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
3. Graduate School of Biomedical
Sciences, Nagasaki University, 1-14 Bunkyo-machi,
Nagasaki 852-8521, Japan
4. Usaien Pharmaceutical Company, Ltd., 1-4-6 Zaimoku, Saga 840-0055, Japan