1. Department of Urology; Georgetown University Hospital; Washington, DC; USA
2. Lank Center for Genitourinary Oncology; Dana Farber Cancer Institute; Boston; MA; USA
3. Center for Surgery and Public Health; Brigham and Women's Hospital; Harvard Medical School; Boston; MA; USA
4. Department of Radiation Oncology; Lank Center for Genitourinary Oncology; Dana Farber Cancer Institute; Boston; MA; USA
5. Department of Urology; David Geffen School of Medicine; University of California, Los Angeles; Los Angeles; CA; USA