1. Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
2. Center for Surgery and Public Health, Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
3. Faculty of Medicine, McGill University, Montreal, Canada.
4. Division of Urology, University of Montreal Hospital Center, Université de Montréal, Montreal, Canada.