1. Department of Orthopaedics, University of Texas Houston Health Science Center, Houston, TX
2. Center for Orthopaedic Research and Education, St. Luke's Episcopal Hospital and Department of Orthopaedic Surgery, Baylor College of Medicine, Houston, TX
3. Orthopaedic Surgery Department, Carolinas Medical Center, Charlotte, NC
4. Tabor Orthopaedics, Memphis, TN
5. Miller Orthopaedic Clinic, Charlotte, NC