1. Department of Surgery, Faculty of Medicine, University of Calgary, Calgary, AB, Canada
2. Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada
3. Department of Radiation Oncology, BC Cancer—Abbotsford, Abbotsford, BC, Canada
4. Department of Mathematics and Statistics, University of the Fraser Valley, Abbotsford, BC, Canada
5. Department of Medical Oncology, BC Cancer—Abbotsford, Abbotsford, BC, Canada
6. Department of Medicine, Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada