1 BC Cancer-Vancouver Centre and Vancouver Prostate Centre; Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
2 Division of Medical Oncology, The Ottawa Hospital Cancer Centre and The Ottawa Hospital Research Institute, University of Ottawa; Ottawa, ON, Canada.
3 Division of Medical Oncology, Tom Baker Cancer Centre, University of Calgary, Calgary, AB, Canada.
4 CHUM; Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.
5 Division of Urology, Department of Surgery and Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.