Affiliation: | 1. Department of Orthopaedic Surgery, Medical University of South Carolina, Charleston, South Carolina;2. Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina;3. Center for Hip and Knee Surgery, Mooresville, Indiana;4. Fundaorto, Guatemala City, Guatemala;5. Department of Neurosciences, Medical University of South Carolina, Charleston, South Carolina;6. Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota |