1. Center for Advanced IBD Research and Treatment, Kitasato University Kitasato Institute Hospital, Tokyo, Japan.
2. The Third Department of Internal Medicine, Kyorin University School of Medicine, Mitaka, Japan.
3. Department of Internal Medicine, Toho University Sakura Medical Center, Sakura, Japan.
4. Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan.
5. Department of Gastroenterology, Shiga University of Medical Science, Otsu, Japan.
6. Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Tsu, Japan.
7. Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan.
8. Department of Gastroenterology and Hepatology, Graduate School of Medicine, Osaka University, Suita, Japan.
9. Department of Inflammatory Bowel Disease, Division of Surgery, Hyogo College of Medicine, Nishinomiya, Japan.
10. Department of Gastroenterology and Hematology, Hirosaki National Hospital, Hirosaki, Japan.
11. Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan.
12. Inflammatory Bowel Disease Center, Yokohama City University Medical Center, Yokohama, Japan.
13. Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan.
14. IBD Center, Sapporo-Kosei General Hospital, Sapporo, Japan.
15. Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan.
16. Department of Inflammatory Bowel Disease, Hyogo College of Medicine, Nishinomiya, Japan.
17. Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan.
18. Department of Gastroenterology and Hepatology, Higashi-Ohmi General Medical Center, Higashiomi, Japan.
19. Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan.
20. Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan.
21. Division of Gastroenterology, Department of Medicine, Tokyo Yamate Medical Center, Tokyo, Japan.
22. Department of Intestinal Inflammation Research, Hyogo College of Medicine, Nishinomiya, Japan.
23. Medical Affairs, Medical, AbbVie GK, Tokyo, Japan.