1. 1Bureau of Epidemiology Services, New York City Department of Health and Mental Hygiene, New York, New York, USA
2. 2Bureau of HIV/AIDS Prevention and Control, New York City Department of Health and Mental Hygiene, New York, New York, USA
3. 3Bureau of Vital Statistics, New York City Department of Health and Mental Hygiene, New York, New York, USA
4. 4Bureau of Maternal, Infant and Reproductive Health, New York City Department of Health and Mental Hygiene, New York, New York, USA