1. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
2. Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Hepatobiliary Division, Department of Internal Medicine and Hepatitis Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
4. Department of Genome Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
5. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
6. Faculty of Internal Medicine, College of Medicine, and Graduate Institute of Clinical Medicine, and Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
7. Department of Preventive Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
8. Department of Occupational Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
9. Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan
10. Liver Center, Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA