1. Department of Orthopaedic Surgery, Naval Medical Center San Diego, San Diego, CA, USA
2. School of Medicine, The University of Texas Medical Branch, Galveston, TX, USA
3. Texas A&M College of Medicine, College Station, TX, USA
4. Department of Preventive Medicine and Population Health, The University of Texas Medical Branch, Galveston, TX, USA
5. Department of Orthopaedic Surgery and Rehabilitation, The University of Texas Medical Branch, Galveston, TX, USA