1. Division of Gastroenterology, McMaster University, Hamilton, Ontario, Canada
2. Division of Gastroenterology, McGill University, Montreal, Quebec, Canada
3. Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada
4. Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
5. Division of General Surgery, University of Alberta, Edmonton, Alberta, Canada
6. University of British Columbia, St Paul’s Hospital, Vancouver, British Columbia, Canada
7. The Credit Valley Hospital, Mississauga, Ontario, Canada
8. Division of Gastroenterology, Dalhousie University, Halifax, Nova Scotia, Canada
9. Faculty of Medicine, Memorial University, St John’s, Newfoundland and Labrador, Canada
10. Division of Gastroenterology & Nutrition, McGill University, Montreal, Quebec, Canada
11. Department of Medicine, University of Calgary, Calgary, Alberta, Canada
12. Department of Gastroenterology & Hepatology, Medical University of South Carolina, Charleston, South Carolina, USA
13. Department of Gastroenterology & Hepatology, Erasmus MC University Medical Centre, Rotterdam, The Netherlands
14. Gloucestershire Royal Hospital, Gloucestershire, UK