1. Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven , Leuven , Belgium
2. IBD Centre, Guy’s and St Thomas’ NHS Foundation Trust , London , UK
3. University of Miami Miller School of Medicine , Miami, FL , USA
4. Toronto Digestive Disease Associates Inc. , Vaughan, ON , Canada
5. Department of Gastroenterology, The Center for Inflammatory Bowel Disease, The Sixth Affiliated Hospital, Sun Yat-sen University , Guangzhou, Guangdong , China
6. Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine , Hangzhou, Zhejiang , China
7. Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University , Tokyo , Japan
8. Gastroenterology Department, British Hospital , Buenos Aires , Argentina
9. Division of Gastroenterology, Hospital Beatriz Ângelo , Loures , Portugal
10. Hospital da Luz , Lisbon , Portugal
11. Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal
12. AbbVie Inc. , North Chicago, IL , USA
13. AbbVie Deutschland GmbH & Co. KG , Ludwigshafen , Germany
14. University of Western Ontario , London, ON , Canada
15. Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary , Calgary, AB , Canada