Grace Hui-Min Wu1,2, Raoh-Fang Pwu1,3, Shih-Chung Chen4, Ding-Shinn Chen5,6,7. 1. National Hepatitis C Program Office, Ministry of Health and Welfare, Taipei City, Taiwan. 2. Department of Physical Therapy and Assistive Technology, National Yang-Ming University, Taipei City, Taiwan. 3. School of Health Care Administration, Taipei Medical University, Taipei City, Taiwan. 4. Ministry of Health and Welfare, Taipei City, Taiwan. 5. Department of Internal Medicine, National Taiwan University College of Medicine, Taipei City, Taiwan. 6. Hepatitis Research Center, National Taiwan University Hospital, Taipei City, Taiwan. 7. Genomics Research Center, Academia Sinica, Taipei City, Taiwan.