1. Division of Gastroenterology Department of Medicine Kurume University School of Medicine Fukuoka Japan
2. Kurume University Medical Center Fukuoka Japan
3. Department of Gastroenterology and Medicine Fukuoka University Faculty of Medicine Fukuoka Japan
4. Omuta City Hospital Fukuoka Japan
5. Shin Koga Hospital Fukuoka Japan
6. Liver Center Faculty of Medicine Saga University Saga Japan
7. Yanagawa Hospital Fukuoka Japan
8. Chikugo City Hospital Fukuoka Japan
9. Nagata Hospital Fukuoka Japan
10. Saga Central Hospital Saga Japan
11. Nishinihon Hospital Kumamoto Japan
12. Social Insurance Tagawa Hospital Fukuoka Japan