1. Centers for Disease Control and Prevention, Fort Collins, Colorado, USA;
2. New York State Department of Health, Albany, New York, USA;
3. New York City Department of Health, New York City, New York, USA;
4. Louis Calder Center, Fordham University, Armonk, New York, USA;
5. Suffolk County Department of Health, Yaphank, New York, USA;
6. Rutgers University, New Brunswick, New Jersey, USA