1. Center for Advanced IBD Research and Treatment, Kitasato Institute Hospital, Kitasato University, Tokyo, Japan
2. Inflammatory Bowel Disease Clinic, Division of Gastroenterology and Hepatology, University of Calgary, Calgary, AB, Canada
3. AbbVie GK Medical, Tokyo, Japan
4. Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
5. Department of Intestinal Inflammation Research, Hyogo College of Medicine, Hyogo, Japan
6. Department of Gastroenterology, Fukuoka University Chikushi Hospital, Chikushino, Japan
7. Division of Gastroenterology, Iwate Medical University, Morioka, Japan
8. Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, Oxford, UK
9. Internal Medicine, Toho University Sakura Medical Center, Chiba, Japan