1. Department of Orthopaedics, R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD;
2. Department of Orthopaedic Surgery, University of California Los Angeles, Los Angeles, CA;
3. Department of Orthopaedics, University of Utah Hospital, Salt Lake City, UT;
4. Department of Orthopaedic Surgery, Harbor-UCLA Medical Center, Torrance, CA;
5. Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, VA;
6. Department of Orthopedic Surgery, Baylor College of Medicine, Houston, TX;
7. Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR;
8. Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, CA;
9. Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, IA; and
10. Department of Orthopaedic Surgery and Rehabilitation, University of Mississippi Medical, Center, Jackson, MS.