1. Charleston Institute of Advanced Orthopedics, Charleston, South Carolina
2. Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom
3. Department of Orthopedic Surgery, University of Rochester School of Medicine and Dentistry, Rochester, New York
4. Department of Orthopedic Surgery, Medical University of South Carolina, Charleston, South Carolina
5. The Joint Implant Surgery and Research Foundation, Chagrin Falls, Ohio