1. College of Medicine, China Medical University, Taichung
2. Department of Family Medicine, China Medical University Hospital, Taichung
3. Department of General Surgery, Taichung Tzu Chi Hospital, Taichung
4. Management Office for Health Data, China Medical University Hospital, Taichung
5. College of Medicine, Tzu Chi University, Hualien
6. Division of Hepatogastroenterology, Department of Internal Medicine, Taichung Tzu Chi Hospital, Taichung