1. Department of Internal Medicine National Taiwan University Hospital and College of Medicine Taipei Taiwan
2. Department of Pediatrics National Taiwan University Children’s Hospital and National Taiwan University Taipei Taiwan
3. The Research Center for Developmental Biology and Regenerative Medicine National Taiwan University Taipei Taiwan
4. Department of Medical Research National Taiwan University Hospital Taipei Taiwan
5. Department of Surgery National Taiwan University Hospital and College of Medicine Taipei Taiwan
6. Division of Gastroenterology, Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Taiwan
7. Division of Colon and Rectal Surgery Chang Gung Memorial Hospital Linkou Taiwan
8. School of Medicine Chang Gung University Taoyuan Taiwan