1. Division of Colon & Rectal Surgery, Department of Surgery Taipei Veterans General Hospital Taipei Taiwan
2. Department of Surgery, Faculty of Medicine, School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
3. National Taiwan University Hospital, Dietetics Department Taipei Taiwan
4. Department of Medical Imaging National Taiwan University Hospital Taipei Taiwan
5. Department of Radiology, College of Medicine National Taiwan University Taipei Taiwan
6. Division of Colorectal Surgery, Department of Surgery National Taiwan University Hospital and College of Medicine Taipei Taiwan
7. Division of Colon and Rectal Surgery Taichung Armed Forces General Hospital Taichung Taiwan
8. National Defense Medical Center Taipei Taiwan
9. Division of Colorectal Surgery, Department of Surgery Taichung Veterans General Hospital Taichung Taiwan
10. Department of Food and Nutrition Providence University Taichung Taiwan
11. Division of colorectal surgery, Department of Surgery Mackay Memorial Hospital Taipei Taiwan
12. Department of Colorectal Surgery China Medical University Hospital Taichung Taiwan
13. Division of Hepatology and Gastroenterology, Department of Internal Medicine National Taiwan University Hospital and College of Medicine Taipei Taiwan