| Affiliation: | 1. Division of Urology, The Hospital for Sick Children, Department of Surgery, University of Toronto, Toronto, Ontario, Canada;2. Section of Paediatric Urology, Urology Unit, University Hospital of Padua, Padua, Italy;3. Department of Surgery/Urology, McMaster University, Hamilton, Ontario, Canada;4. Health Sciences Library, McMaster University, Hamilton, Ontario, Canada;5. McMaster Pediatric Surgery Research Collaborative, Department of Surgery, McMaster University, Hamilton, Ontario, Canada;6. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada;7. University of Toronto, Division of Urology, The Hospital for Sick Children and Department of Surgery, 555 University Avenue, M5G 1X8, Toronto, Canada;1. Department of Urology, University of California, San Francisco, USA;2. Department of Urology, University of Iowa, Iowa City, IA, USA |
