1 Global Surgery, Department of Surgery, Division of Urology, University of Toronto, Toronto, ON, Canada; Temerty Faculty of Medicine, Department of Surgery, Division of Urology, University of Toronto, ON, Canada; Division of Urology, Department of Surgery, The Hospital for Sick Children, Toronto, ON, Canada.
2 Department of Urology, University of Minnesota, MN, USA; Temerty Faculty of Medicine, Department of Surgery, Division of Urology, University of Toronto, ON, Canada; Division of Urology, Department of Surgery, The Hospital for Sick Children, Toronto, ON, Canada. Electronic address: marty.koyle@gmail.com.