1. Graduate School of Pharmaceutical Sciences; Kyoto University; 46-29 Yoshida-Shimoadachi Sakyo-Ku Kyoto 606-8501 Japan
2. Research Reactor Institute, Kyoto University; Kumatori Sennan-Gun Osaka 590-0494 Japan
3. Faculty of Pharmaceutical Sciences; Doshisha Women's University; Kodo Kyotanabe City 610-0395 Japan