1. Department of Medicine, Queen Elizabeth II Health Sciences Centre, Dalhousie University, Halifax, Nova Scotia, Canada
2. Department of Medicine, Université Laval, and the Department of Gastroenterology, Centre hospitalier universitaire de Québec, Pavillon Hôtel-Dieu de Québec, Quebec, Quebec, Canada
3. Division of Gastroenterology, McMaster University, Hamilton, and the Surrey Gl Clinic∕Research, Guelph, Ontario, Canada
4. Department of Medicine, McMaster University, and the Division of Gastroenterology, Hamilton Health Sciences Corporation, McMaster Site, Hamilton, Ontario, Canada
5. Department of Medicine, McGill University, and the Division of Gastroenterology, McGill University Health Centre, Montreal, Quebec, Canada
6. Department of Family Medicine, University of Alberta, and the Misericordia Community Health Centre, Canada
7. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
8. Health Sciences Centre, Department of Medicine, Memorial University of Newfoundland, St John’s, Newfoundland, Canada