1. Department of Projects Research, Frontier Science Research Center University of Miyazaki Miyazaki Japan
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Faculty of Medicine University of Miyazaki Miyazaki Japan
3. Department of Gastroenterology Fukuoka University Chikushi Hospital Fukuoka Japan
4. Division of Gastroenterology, Department of Internal Medicine, School of Medicine Iwate Medical University Morioka Japan
5. Department of Gastroenterology Fujita Health University School of Medicine Toyoake Japan
6. Department of Gastroenterology and Hepatology Sapporo Medical University School of Medicine Sapporo Japan
7. IBD Center Sapporo Kosei General Hospital Hokkaido Japan
8. Department of Gastroenterology Idzuro Imamura Hospital Kagoshima Japan
9. Division of Gastroenterology, Department of Medicine Kurume University School of Medicine Kurume Japan
10. Department of Gastroenterology and Hepatology Kyorin University School of Medicine Mitaka Japan
11. Digestive and Lifestyle Diseases Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
12. Department of Gastroenterology, Graduate School of Medicine Chiba University Chiba Japan
13. Department of Gastroenterology Shimane University Hospital Izumo Japan
14. Department of Gastroenterology and Hepatology Nagoya University Graduate School of Medicine Nagoya Japan
15. Department of Medicine and Clinical Science, Graduate School of Medical Sciences Kyushu University Fukuoka Japan
16. Division of Gastroenterology and Hepatology, Department of Internal Medicine The Jikei University School of Medicine Tokyo Japan
17. Coloproctology Center Takano Hospital Kumamoto Japan