1. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Maryland Department of Health and Hygiene, Baltimore, Maryland USA
3. New Jersey Department of Health and Senior Services, Trenton New Jersey, USA
4. Connecticut Department of Public Health, Hartford Connecticut, USA
5. District of Columbia Department of Health, Washington D.C., USA
6. New York City Department of Health, New York New York, USA
7. Florida Department of Health, Tallahassee, Florida USA