Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada. Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; University of Ottawa, School of Epidemiology, Community Medicine and Preventive Medicine, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada. Clinical Epidemiology Program, Centre for Practice Changing Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of Urology, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada. Electronic address: rbreau@toh.on.ca.