1. Centers for Disease Control and Prevention, Atlanta, Georgia, USA,
2. Minnesota Department of Health, Minneapolis, Minnesota, USA;
3. Tennessee Department of Health, Nashville, Tennessee, USA;
4. Maryland Department of Health and Mental Hygiene, Baltimore, Maryland, USA;
5. Oregon Department of Human Services, Portland, Oregon, USA;
6. Colorado Department of Public Health & Environment, Denver, Colorado, USA;
7. California Department of Health Services, Berkeley, California, USA;
8. Connecticut Department of Public Health, Hartford, Connecticut, USA;
9. Georgia Department of Human Services, Atlanta, Georgia, USA;
10. New York State Department of Health, Albany, New York, USA