1 Department of Community Health Sciences, University of Calgary; Department of Oncology, University of Calgary; Forzani & MacPhail Colon Cancer Screening Centre, Alberta Health Services, Calgary, Alberta, Canada.
2 Forzani & MacPhail Colon Cancer Screening Centre, Alberta Health Services, Calgary, Alberta, Canada.
3 Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.
4 Department of Community Health Sciences, University of Calgary; Forzani & MacPhail Colon Cancer Screening Centre, Alberta Health Services; Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.