1. Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
2. Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
3. Faculty of Medicine, Saitama Medical University, 38 Moro-hongo,
Moroyama, Iruma, Saitama 350-0495, Japan