1. Division of Gastroenterology and Hepatology, Department of Internal Medicine Keio University School of Medicine Tokyo Japan
2. Department of Intestinal Inflammation Research Hyogo College of Medicine Nishinomiya Japan
3. IBD Center Hokkaido Prefectural Welfare Federation of Agricultural Cooperative, Sapporo‐Kosei General Hospital Sapporo Japan
4. Endoscopic Center Keio University School of Medicine Tokyo Japan
5. Department of Gastroenterology Fukuoka University Chikushi Hospital Chikushino Japan
6. Department of Internal Medicine Toho University Medical Center Sakura Hospital Sakura Japan
7. US Medical Takeda Pharmaceuticals USA, Inc. Deerfield Illinois USA
8. Japan Medical Office Takeda Pharmaceutical Company Limited Tokyo Japan
9. Takeda Development Center Japan Takeda Pharmaceutical Company Limited Osaka Japan
10. Advanced Research Institute Tokyo Medical and Dental University Tokyo Japan
11. Center for Advanced Inflammatory Bowel Disease Research and Treatment Kitasato University Kitasato Institute Hospital Tokyo Japan