1. Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
2. Research Center, Nihon Medi-Physics Co., Ltd., 3-1 Sodegaura-shi, Chiba 299-0266, Japan