1. The Research Center for Hepatitis and Immunology; National Center for Global Health and Medicine; Ichikawa
2. Department of Gastroenterology; Aichi Medical University School of Medicine; Nagakute
3. Department of Internal Medicine, Graduate School of Medicine; The University of Tokyo
4. Clinical Research Center; NHO Nagasaki Medical Center; Nagasaki
5. Department of Gastroenterology; Sapporo Kosei General Hospital; Sapporo
6. Division of Hepatology, Department of Internal Medicine; Iwate Medical University; Morioka
7. Department of Gastroenterology; Yamagata University School; Yamagata
8. Department of Hepatology; Toranomon Hospital
9. Department of Medicine and Clinical Oncology, Graduate School of Medicine; Chiba University; Chiba
10. Division of Gastroenterology and Hepatology; Musashino Red Cross Hospital; Tokyo
11. Department of Medicine; Shinshu University School of Medicine; Matsumoto
12. Department of Gastroenterology and Hepatology; Juntendo University Shizuoka Hospital; Shizuoka
13. Department of Gastroenterology; Ogaki Municipal Hospital; Ogaki
14. Nagoya City University Graduate School of Medical Sciences; Nagoya
15. National Hospital Organization Osaka National Hospital; Osaka
16. Department of Gastroenterology and Hepatology; Okayama University Graduate School of Medicine; Okayama
17. Department of Gastroenterology; Ehime University Graduate School of Medicine; Toon
18. First Department of Internal Medicine; University Hospital, Faculty of Medicine, University of the Ryukyu; Okinawa Japan
19. AIDS Clinical Center; National Center for Global Health and Medicine; Tokyo