1. Department of Orthopedic Surgery and Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
2. Division of Physical Therapy, University of Kentucky, Lexington, Kentucky, USA
3. Vanderbilt Orthopaedic Institute, Nashville, Tennessee, USA
4. University of Kentucky College of Medicine, Lexington, Kentucky, USA
5. Department of Medicine, Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
6. Cleveland Clinic Sports Health Center, Garfield Heights, Ohio, USA