1. Department of Orthopaedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts, USA
2. Rothman Orthopaedic Institute, Philadelphia, Pennsylvania, USA
3. Orthopedic Institute, Sioux Falls, South Dakota, USA
4. Department of Orthopedics, Washington University Saint Louis, St. Louis, Missouri, USA
5. Cleveland Clinic Department of Quantitative Health Sciences, Cleveland, Ohio, USA
6. The Ohio State University Sports Medicine Center, Columbus, Ohio, USA
7. University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
8. Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado, USA
9. Fondren Orthopedic Group, Orthopedic Surgery, Houston, Texas, USA
10. Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, California, USA
11. Department of Orthopaedic Surgery and Rehabilitation, Vanderbilt University Medical Center, Nashville, Tennessee, USA
12. Department of Sports Medicine, Hospital for Special Surgery, New York, New York, USA
13. OrthoVirginia, Alexandria, Virginia, USA
14. Florida Orthopaedic Institute, Tampa, Florida, USA
15. Investigation performed at multicenter facilities and the primary site is at University of Iowa, Iowa City, Iowa, USA