1. Epidemic Intelligence Service Division of Scientific Education and Professional Development Centers for Disease Control and Prevention Atlanta Georgia USA
2. Office of Communicable Disease Epidemiology Washington State Department of Health Shoreline Washington USA
3. Department of Anthropology Durham University Durham UK
4. Clark County Public Health Vancouver Washington USA
5. Office of Environmental Public Health Sciences Washington State Department of Health Olympia Washington USA
6. Washington State Department of Agriculture Olympia Washington USA
7. Lifestock Int'l Athens Georgia USA
8. Infectious Diseases Laboratory University of Georgia Athens Georgia USA