Affiliation: | 1. Department of Surgery and Epidemiology and Biostatistics, Western University, London, Ontario, Canada;2. Department of Surgery, Division of Urology, University of Utah, Salt Lake City, Utah;3. Department of Surgery, University of Minnesota, Minneapolis, Minnesota;4. Department of Surgery, University of Michigan, Ann Arbor, Michigan;5. Department of Urology, University of Sao Paulo School of Medicine, Sao Paulo, Brazil |