1. Peachtree Orthopaedic Clinic, Atlanta, Georgia
2. Department of Orthopaedics, Bone and Joint/Sports Medicine Institute, Naval Medical Center, Portsmouth, Virginia
3. NCAA, National Collegiate Athletic Association, Indianapolis, Indiana
4. Oslo Sports Trauma Research Center, University of Sport and Physical Education, Oslo, Norway
5. Department of Orthopaedics, Duke University Medical Center, Durham, North Carolina
6. Hospital for Special Surgery, New York, New York
7. Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
8. Vanderbilt Orthopaedic Institute Medical Center East, Nashville Tennessee
9. Kentucky Sports Medicine Clinic, Lexington, Kentucky
10. Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
11. Neuromuscular Research Laboratory, UPMC Center for Sports Medicine, Pittsburgh, Pennsylvania
12. Santa Monica Orthopaedic and Sports Medicine Group, Santa Monica, California
13. American Orthopaedic Society for Sports Medicine, Rosemont, Illinois
14. University of Toronto, Ontario, Canada
15. Department of Epidemiology, School of Public Health, University of North CarolinaChapel Hill, Chapel Hill, North Carolina
16. Cincinnati Sportsmedicine Research & Education Foundation, Cincinnati, Ohio
17. Department of Biokinesiology & Physical Therapy, University of Southern California, Los Angeles, California
18. Kerlan-Jobe Orthopaedic Clinic, Westchester, Los Angeles, California
19. Santa Monica Orthopaedic and Sports Medicine Research Foundation, Santa Monica, California
20. TRIA Orthopaedic Center, Minneapolis, Minnesota
21. U of W Sports Medicine Clinic, University of Washington, Seattle, Washington
22. MedSport, University of Michigan, Ann Arbor, Michigan
23. Division of Physical Therapy, University of North CarolinaChapel Hill, Chapel Hill, North Carolina