[1] Univ Toronto, Univ Hlth Network, Dept Surg Oncol Urol, Toronto, ON, Canada
[2] Univ Toronto, Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Dept Lab Med & Pathobiol, Toronto, ON M5G 1X5, Canada
[3] Univ Toronto, Univ Hlth Network, Dept Surg Pathol, Toronto, ON, Canada
[4] Erasmus MC, Dept Urol, Rotterdam, Netherlands
[5] Erasmus MC, Dept Pathol, Rotterdam, Netherlands