1. From the First Cardiovascular Division (W.-J.C., C.-H.T., Y.-H.Y.), Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Tao-Yuan, Taiwan, Division of Cardiology (Y.-H.C.), Department of Internal Medicine, Taipei Veterans General Hospital, National Yang-Ming University College of Medicine, Taipei, Taiwan, Department of Biochemistry (K.-H.L.), Chang Gung University, Tao-Yuan, Taiwan.