1. Division of Gastroenterology and Hepatology, Department of Medicine, University of British Columbia, British Columbia, Canada
2. Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Alberta, Canada
3. Department of Gastroenterology and Hepatology, Singapore General Hospital, Bukit Merah, Singapore
4. Diagnostic Centre, University Research Clinic for Innovative Patient Pathways, Silkeborg Hospital, Silkeborg, Denmark
5. Department of Radiology and Division of Gastroenterology, Department of Medicine, University of Calgary, Alberta, Canada
6. Department of Medicine, University of Calgary, Alberta, Canada
7. Department of Medicine, Dalhousie University and Nova Scotia Health Authority, Halifax, Nova Scotia, Canada
8. Department of Community Health Sciences, University of Calgary, Alberta, Canada