1. Department of Surgery, Division of Urology, The Surgical Oncology Program at Children’s Hospital Colorado, University of Colorado School of Medicine, Aurora, Colorado
2. Department of Pediatrics, Section of Pediatric Oncology, University of Colorado School of Medicine, Aurora, Colorado
3. Department of Urology, University of Kentucky College of Medicine, Lexington, Kentucky
4. Department of Pediatrics, University of Kentucky College of Medicine, Lexington, Kentucky