| Affiliation: | 1. Division of General Medicine, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan;2. Department of Medicine, National Yang‐Ming University School of Medicine, Taipei, Taiwan;3. Institute of Clinical Medicine, National Yang‐Ming University School of Medicine, Taipei, Taiwan;4. Division of Gastroenterology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan;5. Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan;6. Cheng‐Hsin General Hospital, Taipei, Taiwan |
