1. Department of Medical Imaging, University of Toronto, 263 McCaul St, 4th Fl, Toronto, ON M5T 1W7, Canada.
2. Department of Radiology, University of Ottawa, Ottawa, ON, Canada.
3. Departments of Surgery and Surgical Oncology, Division of Urology, University of Toronto, Toronto, ON, Canada.
4. Department of Radiology, NYU Langone Medical Center, New York, NY.
5. Department of Diagnostic Imaging, Hospital Israelita Albert Einstein, São Paulo, Brazil.
6. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY.