1 Department of Medicine, Division of Gastroenterology and Hepatology; Department of Community Health Sciences, University of Calgary; Forzani & MacPhail Colon Cancer Screening Centre, Calgary, Alta. nauzer.forbes@ucalgary.ca.
2 Department of Medicine, Division of Gastroenterology and Hepatology; Department of Community Health Sciences, University of Calgary; Forzani & MacPhail Colon Cancer Screening Centre, Calgary, Alta.