1. Department of Family Science, School of Public Health University of Maryland College Park MD
2. National Center for Health Statistics, Centers for Disease Control and Prevention, Division of Vital Statistics Reproductive Health Statistics Branch Hyattsville MD
3. National Center for Health Statistics, Centers for Disease Control and Prevention, Division of Vital Statistics Mortality Statistics Branch Hyattsville MD
4. Environmental Influences on Child Health Outcomes (ECHO) Project Office, Office of the Director National Institutes of Health Rockville MD
5. Office of Population Affairs, Office of the Assistant Secretary for Health U.S. Department of Health and Human Services Rockville MD
6. Muskie School of Public Service University of Southern Maine Portland ME