1. Oncology Outcomes Program, Department of Oncology, University of Calgary, Calgary, AB T2N 4Z6, Canada
2. Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2R3, Canada
3. Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
4. Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N2, Canada
5. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada