1. From the Department of Internal Medicine and Therapeutics, Osaka University Graduate School of Medicine, Suita; Cardiovascular Division (K.N.), Department of Medicine, Saga University Faculty of Medicine, Saga; Cardiovascular Division of Medicine (A.O., H.T., M.K.), National Cardiovascular Center, Suita; Department of Physiological Science (Y.S.), Tokai University School of Medicine, Isehara; and Department of Cardiovascular Medicine (H.S.), Kyushu University Graduate School of Medical Sciences,...