1. Uniformed Services University Department of Surgery, Bethesda, Maryland
2. James A Lovell Federal Health Care Center Department of Orthopaedics, North Chicago, Illinois
3. Fort Belvoir Community Hospital Department of Orthopaedics, Fort Belvoir, Virginia
4. Carolinas Medical Center Department of Hand & Upper Extremity Surgery, Charlotte, North Carolina
5. Duke University, Department of Orthopaedic Surgery, Durham, North Carolina
6. Walter Reed National Military Medical Center Department of Orthopaedics, Bethesda, Maryland
7. Division of Urology, Department of Surgery, Tripler Army Medical Center, Honolulu, Hawaii