1. Department of Orthopaedic Surgery, Wilford Hall USAF Medical Center, Lackland AFB, TX 78236-5300
2. Armed Forces Institute of Pathology, Washington, DC 20306-6000
3. Department of Neurosurgery, Wilford Hall USAF Medical Center, Lackland AFB, TX 78236-5300
4. Department of Orthopaedic Surgery, Brooke Army Medical Center, Fort Sam Houston, TX 78234-6200