1. Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, Japan
2. Graduate School of Pharmaceutical Sciences, Tohoku University, Aobayama, Aoba-ku, Sendai, Miyagi, Japan
3. Institute for Protein Research, Osaka University, Suita, Osaka, Japan
4. Graduate School of Engineering, Yokohama National University, Hodogaya-ku, Yokohama, Japan