1. Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
2. Department of Pathology, Taipei City Hospital Renai Branch, Taipei, Taiwan.
3. Division of Colorectal Surgery, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan.
4. Division of Colorectal Surgery, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
5. Division of Gastroenterology and Hepatology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.
6. Division of General Surgery, Department of Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.
7. Department of Internal Medicine, National Cheng Kung University Hospital, National Cheng Kung University College of Medicine, Tainan, Taiwan.
8. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Municipal Hsiaokang Hospital, Kaohsiung, Taiwan.
9. Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
10. Division of Colon and Rectal Surgery, Department of Surgery, Mackay Memorial Hospital, Taipei, Taiwan.
11. Division of Colon and Rectal Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan.
12. Department of Surgery, National Yang-Ming University, Taipei, Taiwan.
13. Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan.
14. Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.
15. Department of Oncology, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
16. Department of Medical Imaging, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
17. Department of Pathology and Forensic Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
18. Division of Medical Imaging, Department of Radiology, Far Eastern Memorial Hospital, New Taipei City, Taipei, Taiwan.
19. Division of Gastroenterology, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan.
20. MacKay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan.
21. MacKay Medical College, New Taipei City, Taipei, Taiwan.
22. Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taipei, Taiwan.
23. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taipei, Taiwan.
24. Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taipei, Taiwan.
25. Division of Gastroenterology, Department of Medicine, Taipei City Hospital Renai Branch, Taipei, Taiwan.
26. Division of Gastroenterology, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan.