1. Division of Biophysical Toxicology, Department of Environmental and Infectious Disease Sciences, Armed Forces Institute of Pathology, Washington, DC
2. Naval Health Research Center Detachment, Environmental Health Effects Laboratory, Wright-Patterson Air Force Base, Ohio
3. Shriners Hospitals for Children, Cincinnati, Ohio
4. U.S. Army Medical Research & Material Command, Military Infectious Disease Research Program, Fort Detrick, Maryland