1. Department of Hepato-Gastroenterology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
2. Department of Hepato-Gastroenterology, Chiayi Christian Hospital, Chiayi, Taiwan.
3. Liver Research Unit, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan.
4. Department of Hepato-Gastroenterology, Buddhist Dalin Tzu Chi General Hospital, Chiayi and School of Medicine, Tzuchi University, Hualien, Taiwan.
5. Department of Hepato-Gastroenterology, China Medical University Hospital, Taichung, Taiwan.
6. Department of Hepato-Gastroenterology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan.
7. Department of Hepato-Gastroenterology, Show-Chwan Memorial Hospital, Changhua, Taiwan.
8. Division of Gastreoenterology, Taipei Veterans General Hospital and Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
9. Liver Research Center, Linko Chang Gung Memorial Hospital and School of Medicine, Chang Gung University, Taoyuan, Taiwan.