1. Rangos School of Health Sciences, Duquesne University, Pittsburgh, Pennsylvania, USA.
2. Center for Sports Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
3. Allegheny Orthopaedic Associates, Allegheny Health Network, Pittsburgh, Pennsylvania, USA.
4. Department of Orthopaedic Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA.
5. Washington Orthopaedics & Sports Medicine, Washington, DC, USA.
6. Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.
7. Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
8. Orthopedic One, Columbus, Ohio, USA.
9. Ohio Orthopedic Surgery Institute, Columbus, Ohio, USA.
10. Dublin Methodist Hospital, Dublin, Ohio, USA.
11. OrthoIllinois, Rockford, Illinois, USA.
12. Chicago Blackhawks, Chicago, Illinois, USA.
13. DISC Sports & Spine Center, Marina del Rey, California, USA.
14. Peachtree Orthopedics, Atlanta, Georgia, USA.