1. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
2. Hepatitis Research Center, National Taiwan University Hospital, Taipei, Taiwan
3. Department of Internal Medicine, National Taiwan University Hospital, Yun-Lin Branch, Douliou, Taiwan
4. Department of Internal Medicine, National Taiwan University Biomedical Park Hospital, Hsin-Chu, Taiwan
5. Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
6. Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan