1. From the Department of Cardiology, Pulmonology, Hypertension and Nephrology, Ehime University Graduate School of Medicine, Toon, Japan (F.S., S.I., T.O., J.H.); Department of Cardiovascular Medicine, Ehime Prefectural Imabari Hospital, Imabari, Japan (F.S., H.K., T.M., A.O., H.M.); and Department of Cardiology, Kitaishikai Hospital, Ozu, Japan (S.I.).