1. Department of Applied Chemistry and Bioengineering Graduate School of Engineering Osaka City University 3-3-138 Sugimoto Sumiyoshi-ku Osaka 558-8585 Japan
2. Biotechnology Research Laboratory Toyobo Co., Ltd. 10-24 Toyo-cho Tsuruga Fukui 914-0047 Japan
3. Faculty of Agriculture Ryukoku University 1-5 Yokotani, Ohe-cho Seta Otsu 520-2194 Japan
4. Institute for Frontier Medical Sciences Kyoto University 53 Kawahara-cho Shogoin, Sakyo-ku Kyoto 606-8507 Japan
5. Department of Life Science Setsunan University 17-8 Ikeda-Nakamachi Neyagawa Osaka 572-8508 Japan
6. R&D Group, Iwate Research & Development Center SEKISUI MEDICAL Co., Ltd. 4-115, Matsuo Hachimantai Iwate 028-7305 Japan