1. Division of Gastroenterology, Kaohsiung Medical University, Kaohsiung
2. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung and College of Medicine, Kaohsiung Medical University, Kaohsiung
3. Department of Radiation Oncology, MacKay Memorial Hospital
4. Division of Hematology and Oncology, Department of Internal Medicine
5. Department of Dietetics and Nutrition, Taipei Veterans General Hospital
6. Division of Thoracic Surgery, Department of Surgery, MacKay Memorial Hospital and MacKay Medical College
7. Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center
8. Departments of Institute of Clinical Medicine and Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
9. Department of Internal Medicine, National Taiwan University Hospital, Kaohsiung Medical University, Kaohsiung
10. School of Medicine, Fu Jen Catholic University, Taipei, Kaohsiung Medical University, Kaohsiung