1. Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, University of Toronto, Toronto, Canada
2. Department of Surgery, University of Melbourne, Urology Unit, Austin Hospital, Melbourne, Australia
3. Department of Pathology, University Health Network, University of Toronto, Toronto, Canada
4. Department of Urology, Sunnybrook Health Sciences Centre, Toronto, Canada
5. Discipline of Surgery, Sydney Medical School, University of Sydney and Westmead Hospital, Sydney, Australia