Institution: | 1. Department of Medicine, School of Medicine, National Yang‐Ming University, , Taipei, Taiwan;2. Division of Gastroenterology, Taipei Veterans General Hospital, , Taipei, Taiwan;3. Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, , Taipei, Taiwan;4. Healthcare and Management Center, Taipei Veterans General Hospital, , Taipei, Taiwan;5. Division of Colon and Rectal Surgery, Department of Surgery, Taipei Veterans General Hospital, , Taipei, Taiwan |