1. Division of Gastroenterology, Department of Medicine; Kurume University School of Medicine; Kurume Japan
2. Kurume Internal Medical Association
3. Inokuchi Clinic; Kurume Japan
4. Homma Internal Medicine & Cardiovascular Clinic; Kurume Japan
5. Kurume-Chuo Hospital; Kurume Japan
6. Diabetes Center; Shin-Koga Hospital; Kurume Japan
7. Inada Medical Clinic; Kurume Japan
8. Aoki Internal Medicine Digestive Clinic; Kurume Japan
9. Tsumura Clinic; Kurume Japan
10. Division of Medical Information; St.Mary's Hospital; Kurume Japan
11. Mukae Internal Medicine Clinic; Kurume Japan