1. Department of Orthopaedics and Sports Medicine; University of Kentucky; Lexington Kentucky
2. Department of Physical Therapy; University of Kentucky; Lexington Kentucky
3. Division of Athletic Training, College of Health Sciences, Sports Medicine Research Institute; University of Kentucky; Lexington Kentucky
4. Department of Orthopaedic Surgery; Vanderbilt University; Nashville Tennessee
5. Department of Medicine, Duke Molecular Physiology Institute and Division of Rheumatology; Duke University School of Medicine; Durham North Carolina
6. Orthopaedic Surgery; Cleveland Clinic Foundation; Cleveland Ohio