Bilal Chughtai1, David F Friedlander2, Quoc-Dien Trinh3. 1. Department of Urology, Weill Cornell Medical College, New York, NY, USA. 2. Division of Urologic Surgery, Brigham and Women's Hospital, Boston, MA, USA. Electronic address: friedlander.dave@gmail.com. 3. Division of Urologic Surgery, Brigham and Women's Hospital, Boston, MA, USA; Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.