1. Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
2. Department of Biomedical Engineering and Physiology, Mayo Clinic, Rochester, Minnesota, USA.
3. Sports Medicine Center, Mayo Clinic, Rochester, Minnesota, USA.
4. The Sport Center, Division of Sports Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA.
5. Departments of Pediatrics and Orthopaedic Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
6. The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA.
7. Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA.
8. Sparta Science, Menlo Park, California, USA.
9. The Rocky Mountain Consortium for Sports Research, Edwards, Colorado, USA.