1. Department of Medicine, Division of Gastroenterology, McGill University, Montreal, Quebec, Canada
2. Division of Gastroenterology, McMaster University, Hamilton, Ontario, Canada
3. Division of Gastroenterology, University of British Columbia, Vancouver, British Columbia, Canada
4. Department of Family Medicine, University of Alberta, Edmonton, Alberta, Canada
5. Department of Physiology & Pharmacology, University of Western Ontario, London, Ontario, Canada
6. Division of Gastroenterology, University of Ottawa, Ottawa, Ontario, Canada
7. Department of Emergency Medicine, Calgary Health Region, University of Calgary, Calgary, Alberta, Canada