1. From the Department of Cardiovascular Medicine (H.S., M.H.) Osaka University Graduate School of Medicine, Suita, Japan; Department of Cardiology (K.I.), Kinki University School of Medicine, Osakasayama, Japan; Department of Cardiovascular Medicine (A.K.), Hokkaido University Graduate School of Medicine, Sapporo, Japan; Division of Cardiology (S.O.), Department of Medicine, Keio University School of Medicine, Tokyo, Japan; First Department of Internal Medicine (Y.M.), Fukushima Medical University,...