1. John A. Feagin Jr West Point Sports Medicine Fellowship, Division of Orthopaedic Surgery, Keller Army Community Hospital, United States Military Academy, West Point, New York
2. Department of Orthopaedic Surgery, William Beaumont Army Medical Center, Fort Bliss, Texas
3. US Army Institute of Surgical Research, Fort Sam, Houston, Texas
4. Department of Surgery, Division of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina,