1. Division of Gastroenterology, Hôpital Maisonneuve-Rosemont, Université de Montréal , Montreal, Quebec , Canada
2. Inflammatory Bowel Disease Centre, Division of Gastroenterology, McGill University Health Centre (MUHC) , Montreal, Quebec , Canada
3. Inflammatory Bowel Disease Unit, Division of Gastroenterology and Hepatology, University of Calgary , Calgary, Alberta Canada
4. Division of Gastroenterology and Hepatology, Geneva’s University Hospitals and University of Geneva , Switzerland
5. Department of Medicine, Section of Gastroenterology, Max Rady College of Medicine, Rad Faculty of Health Sciences, University of Manitoba, and the University of Manitoba IBD Clinical and Research Centre , Winnipeg, Manitoba , Canada
6. Department of Medicine (Division of Gastroenterology) and Farncombe Family Digestive Health Research Institute, McMaster University , Hamilton, Ontario , Canada
7. Gastroenterology Beaulieu and Division of Gastroenterology and Hepatology , CHUV, Lausanne , Switzerland
8. Division of Gastroenterology, University of British Columbia , Vancouver, British Columbia , Canada