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