1 UCSF Benioff Children's Hospitals, San Francisco and Oakland, UCSF Transitional Urology Clinic, University of California, San Francisco School of Medicine, 550 16th Street, 5th Floor, San Francisco, CA 94158, USA. Electronic address: Hillary.Copp@ucsf.edu.
2 Department of Surgery, Division of Urology, Research Institute, Child Health Evaluative Sciences, University of Toronto, Hospital for Sick Children, 555 University Avenue, Room M299, Toronto, Ontario M5G 1X8, Canada. Electronic address: armando.lorenzo@sickkids.ca.
3 Minimally Invasive Surgery, Perelman School of Medicine at the University of Pennsylvania, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104-4399, USA. Electronic address: ShuklaA@email.chop.edu.
4 Hasbro Children's Hospital, Warren Alpert Medical School of Brown University, Division of Pediatric Urology, 2 Dudley Street, Suite 174, Providence, RI 02905, USA. Electronic address: Anthony_Caldamone@brown.edu.