1. Research Institute for Advanced Science and Technology, Osaka Prefecture University, 1-2 Gakuen-cho Sakai, Osaka 599-8570, Japan, Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 1-1 Tsukiji 5-Chome, Chuo-ku, Tokyo 104-0045, Japan, Department of Environmental Engineering, Kyoto University Graduate School, Sakyo-ku Yoshida-Honmachi, Kyoto 606-8501, Japan. Department of Public Health, Kyoto Pharmaceutical University, 5 Misasagi Nakauchicho, Yamashina-ku, Kyoto 607-8414,...