1. Department of Orthopedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
2. Stanford University Medical Center, Redwood City, CA, USA
3. Sports Medicine and Arthroscopy, Cartilage Restoration, Regional Medical Group Orthopaedics, Medical Group Northwestern Medicine, Evanston, IL, USA
4. Advanced Orthopedic and Sports Medicine, Orthopedic Centers of Colorado, Denver, CO, USA
5. Sports Medicine and Cartilage Restoration, Ochsner Sports Medicine Institute, New Orleans, LA, USA
6. Department of Orthopedic Surgery, University of California at Davis, Sacramento, CA, USA
7. Department of Orthopaedic Surgery, Duke University, Durham, NC, USA
8. North Carolina Central University, Durham, NC, USA
9. Vericel Corporation, Cambridge, MA, USA
10. Penn Center for Advanced Cartilage Repair and Osteochondritis Dissecans Treatment, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA