1. Division of Urology, Hospital for Sick Children and Department of Surgery, University of Toronto, Toronto, Ontario, Canada
2. Division of Urology, Hospital das Clinicas, University of São Paulo Medical School, São Paulo, Brazil
3. Division of Urology, Pontificia Universidad Javeriana and Hospital Universitario San Ignacio, Bogota, Colombia
4. Division of Urology, IWK Health Centre and Dalhousie University, Halifax, Nova Scotia, Canada