1. Department of Obstetrics and Gynecology Division of Academic Specialists in Obstetrics and Gynecology University of Colorado School of Medicine Denver Colorado USA
2. Department of Pediatric and Adolescent Gynecology Children's Hospital Colorado Denver Colorado USA
3. Department of Reproductive Endocrinology and Infertility University of Michigan Medicine Ann Arbor Michigan USA
4. Washington University in St. Louis St. Louis Michigan USA
5. Department of Pediatric Hematology Oncology and Bone Marrow Transplant Cleveland Clinic Cleveland Ohio USA
6. Department of Pediatric and Adolescent Gynecology Primary Children's Medical Center Salt Lake Utah USA
7. Department of Endocrinology Lurie Children's Hospital Chicago Illinois USA
8. Université de Montreal Montreal Quebec Canada
9. Department of Oncology and Pathology Karolinska Institute Stockholm Sweden
10. Kids Cancer Centre Sydney Children's Hospital Sydney New South Wales Australia
11. University of New South Wales Sydney New South Wales Australia