1. Department of Pathology Chang Gung Memorial Hospital Chiayi Branch Chiayi Taiwan
2. Graduate Institute of Clinical Medical Sciences, College of Medicine Chang Gung University Taoyuan Taiwan
3. Division of Colon and Rectal Surgery, Department of Surgery Chang Gung Memorial Hospital Chiayi Taiwan
4. Department of Colorectal Surgery, Department of Surgery, Chang Gung Memorial Hospital Kaohsiung Medical Center Kaohsiung Taiwan
5. Department of Hepato‐Gastroenterology Chang Gung Memorial Hospital Chiayi Branch Chiayi Taiwan
6. Chang Gung University College of Medicine Taoyuan Taiwan
7. Department of Biochemical Science and Technology National Chiayi University Chiayi Taiwan
8. Department of Medical Research and Development Chang Gung Memorial Hospital Chiayi Branch Chiayi Taiwan