机译：
Univ Hlth Network, Princess Margaret Canc Ctr, Div Urol, Dept Surg, 610 Univ Ave, Toronto, ON M5G;
Univ Hlth Network, Princess Margaret Canc Ctr, Dept Radiat Oncol, Toronto, ON, Canada;
Univ Toronto, Univ Hlth Network, Div Med Oncol & Hematol, Princess Margaret Canc Ctr,Dept MedBritish Columbia Canc Agcy, Vancouver, BC, CanadaUniv Hlth Network, Dept Pathol, Princess Margaret Canc Ctr, Toronto, ON, CanadaUniv Hlth Network, Dept Med Imaging, Princess Margaret Canc Ctr, Toronto, ON, CanadaUniv Hlth Network, Dept Biostat, Princess Margaret Canc Ctr, Toronto, ON, Canada;
