1. Division of Cardiology, Department of Internal Medicine (T.-D.W., Y.-T.L., M.-F.C.), National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan, Republic of China
2. Departments of Medical Imaging (W.-J.L., Y.-C.C.), National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan, Republic of China
3. Emergency Medicine (F.-Y.S., C.-H.H., W.-J.C.), National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan, Republic of China