1. From the Department of Preventive Cardiology (T.M., S.B.), National Cardiovascular Center, Osaka; Department of Hygiene/Public Health (T.M.), Faculty of Medicine, Kagawa University, Kagawa-ken; Department of Public Health Medicine (H.I.), Institute of Community Medicine, University of Tsukuba, Ibaraki-ken; Department of Internal Medicine (S.B.), Hanwa Daini Senboku Hospital, Osaka; National Institute of Health and Nutrition (S.S.), Tokyo; Department of Public Health (K.O., M.K.), Ehime University...