1. Division of Pediatric Orthopaedic Surgery & Sports Medicine, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, USA
2. Des Moines University College of Osteopathic Medicine, Des Moines, IA, USA
3. Emory University School of Medicine, Atlanta, GA, USA
4. Emory Sports Medicine Center, Atlanta, GA, USA
5. Loyola University Chicago Stritch School of Medicine, Maywood, IL, USA
6. Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA