Ann Surg 2015 Dec;262(6):955-64
*Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK †Center for Outcomes Research, Analytics and Evaluation, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI ‡Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA §Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Canada ¶Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.