1. Division of Sports Medicine, Department of Physical Medicine and Rehabilitation, University of Florida, Gainesville, Florida;
2. Division of Sports Medicine, Department of Orthopaedics, Emory University School of Medicine, Atlanta, Georgia;
3. Department of Physical Medicine and Rehabilitation, Emory University School of Medicine, Atlanta, Georgia; and
4. Division of Sports Medicine, Departments of Orthopaedics and Pediatrics, Brown University, Providence, Rhode Island.