1. Department of Orthopaedic Surgery and Biomedical Engineering, University of Tennessee Health Science Center – Campbell Clinic, Memphis, Tennessee, USA
2. Investigation performed at Boston Children's Hospital, Boston, Massachusetts, USA
3. Sports Medicine Center, Texas Scottish Rite Hospital, Dallas, Texas, USA
4. Department of Orthopedics, Rady Children's Hospital, San Diego, California, USA
5. Department of Orthopedic Surgery, School of Medicine, Washington University, St. Louis, Missouri, USA
6. Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, California, USA
7. Department of Orthopedic Surgery, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
8. Department of Orthopaedic Surgery, C.S. Mott Children's Hospital, University of Michigan, Ann Arbor, Michigan, USA
9. Division of Sports Medicine, Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
10. Division of Sports Medicine, Department of Orthopedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA)