1. From the National Institute of Health and Nutrition, Tokyo, Japan (KM, SS, YT, and YH); the Department of Nutrition Sciences, Kagawa Nutrition University, Saitama, Japan (HO); the Division of Environmental Medicine, Center for Community Medicine, Jichi Medical University, Tochigi, Japan (HH, EO, and FK); and Core Research for Evolutional Science and Technology, Japan Science and Technology Cooper