1. From the Departments of Cardiovascular Medicine (O.K., S.Y., S.S., K.H., M.I., H.O.) and Preventive Medicine and Epidemiological Informatics (K.N.), National Cerebral and Cardiovascular Center, Osaka, Japan; Department of Advanced Cardiovascular Medicine (O.K., S.Y., M.I.) and Department of Cardiovascular Medicine (H.O.), Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan; and Department of Cardiovascular Medicine, Nishinokyo Hospital, Nara, Japan (M.N., Y.T.).