Affiliation: | 1. Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio;2. Department of Orthopaedic Surgery, University of Mississippi, Jackson, Mississippi;3. Department of Orthopaedic Surgery, Bonutti Clinic, Effingham, Illinois;4. Department of Orthopaedic Surgery, Holy Cross Orthopedic Institute, Fort Lauderdale, Florida |