1. Duquesne University, Pittsburgh, Pennsylvania
2. University of Calgary, Calgary, Alberta, Canada
3. Stanford University, Stanford, California
4. Schulthess Clinic, Zürich, Switzerland
5. Oklahoma Sports Science and Orthopaedics, Oklahoma City, Oklahoma
6. Massachusetts General Hospital, Boston, Massachusetts
7. Southern California Orthopedic Institute, Van Nuys, California
8. Hospital for Special Surgery, New York, New York
9. Nashville Sports Medicine Foundation, Nashville, Tennessee
10. Washington University, St. Louis, Missouri
11. Steadman-Hawkins Research Foundation, Vail, Colorado
12. MedSport-Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan