1. United States Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Epidemic Intelligence Service, Atlanta, Georgia, USA
3. Atlanta Research and Education Foundation, Decatur, Georgia, USA
4. Washington State Department of Health, Shoreline, Washington, USA
5. Ohio Department of Health, Columbus, Ohio, USA
6. New Mexico Department of Health, Santa Fe, New Mexico, USA
7. Tennessee Department of Health, Nashville, Tennessee, USA
8. Michigan Department of Health and Human Services, Lansing, Michigan, USA
9. County of San Diego Health and Human Services Agency, San Diego, California, USA
10. New York City Department of Health and Mental Hygiene, New York, New York, USA
11. Georgia Department of Public Health, Atlanta, Georgia, USA
12. Los Angeles County Department of Public Health, Los Angeles, California, USA
13. United States Food and Drug Administration, Silver Spring, Maryland, USA