Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan, Minase Research Institute, Ono Pharmaceutical Co. Ltd., Mishima-gun, Osaka, 618-8585, Japan, and Pharmaceutical Research Center, Meiji Seika Kaisha, Ltd., Kohoku-ku, Yokohama, 222-0002, Japan(2002-08-01時点)
