1 Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
2 Urological Research Institute, Vita-Salute San Raffaele University, San Raffaele Scientific Institute, Milan, Italy.
3 Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. Electronic address: trinh.qd@gmail.com.