1. Department of Gastroenterology The Sixth Affiliated Hospital of Sun Yat‐sen University Guangzhou China
2. Department of Gastroenterology and Hepatology Tokyo Medical and Dental University Tokyo Japan
3. Department of Gastroenterology and Inflammatory Bowel Disease Center, Asan Medical Center University of Ulsan College of Medicine Seoul South Korea
4. Center for Digestive Medicine, Department of Internal Medicine China Medical University Hospital Taichung Taiwan
5. First Department of Medicine Hamamatsu University School of Medicine Hamamatsu Japan
6. Department of Gastroenterology, Sir Run Run Shaw Hospital Zhejiang University School of Medicine Hangzhou China
7. AbbVie Inc. North Chicago Illinois USA
8. AbbVie GK Tokyo Japan
9. AbbVie Pte. Ltd. Singapore Singapore
10. Department of Gastroenterology and Hepatology Sapporo Medical University School of Medicine Sapporo Japan