1 Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
2 Division of Pediatric Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.
3 Division of Endocrinology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.
4 Fertility & Hormone Preservation & Restoration Program, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.
5 Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
6 Division of Urology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.
7 Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.