1. From the Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan (X.W.C., K.O., T.M.); Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (G.-P.S.); Department of Geriatrics, Nagoya University Graduate School of Medicine, Nagoya Japan (M.K.); Department of Anatomy and Neuroscience, Hamamatsu University School of Medicine, Hamamatsu, Japan (T.S.); Department of Cardiology, Yanbian University Hospital, Yanji, China (X.W.C.); and...