1. Department of Radiology; University of Ottawa; Ottawa ON Canada
2. Department of Oncology; Queen's University; Kingston ON Canada
3. Department of Urology; University of Ottawa; Ottawa ON Canada
4. Ottawa Hospital Research Institute Clinical Epidemiology Program; University of Ottawa; Ottawa ON Canada
5. Department of Pathology; University of Ottawa; Ottawa ON Canada
6. Division of Radiation Oncology; University of Ottawa; Ottawa ON Canada
7. School of Epidemiology and Public Health; University of Ottawa; Ottawa ON Canada
8. Faculty of Medicine; University of Ottawa; Ottawa ON Canada