1. Mallinckrodt Institute of Radiology, Washington University, St. Louis, Missouri.
2. U.S. Army Medical Research and Materiel Command Telemedicine and Advanced Technology Research Center, Fort Detrick, Maryland.
3. U.S. Army Institute of Surgical Research, Fort Sam Houston, Texas.
4. Uniformed Services University of the Health Sciences, Bethesda, Maryland.
5. Virginia Polytechnic Institute and State University, Blacksburg, Virginia.
6. Georgetown University Medical Center, Washington, D.C.