1. Cedars-Sinai Medical Center, Los Angeles, CA, USA
2. University of South Carolina, Columbia, SC, USA
3. Baylor Scott & White Orthopedic Associates of Dallas, Dallas, TX, USA
4. Mercy Medical Center, Baltimore, MD, USA
5. Minnesota Orthopedic Sports Medicine Institute (MOSMI) at Twin Cities Orthopedics, Edina, MN, USA
6. University of Pittsburg Medical Center, Pittsburg, PA, USA
7. MedStar Union Memorial Orthopedics, Baltimore, MD, USA
8. University of Rochester, Rochester, NY, USA
9. University of Colorado, Aurora, CO, USA
10. Washington University School of Medicine, St. Louis, MO, USA
11. The University of Texas Health Science Center at Houston, Houston, TX, USA
12. Loyola University Medical Center, Maywood, IL, USA
13. The Rothman Institute, Philadelphia, PA, USA
14. University of Washington, Seattle, WA, USA
15. British Columbia Foot and Ankle, Vancouver, BC, Canada