1. National Immunization Program, Atlanta Georgia
2. Office of Children's Health, Agency for Toxic Substance and Disease Registry, Atlanta Georgia
3. Epidemiology Program Office, Atlanta Georgia
4. Pediatric Infectious Diseases, State University of New York Downstate, Brooklyn New york
5. Laboratory Services, Caribbean Epidemiology Research Center, Port of Spain Trinidad
6. Project IMHOTEP, Morehouse College, Atlanta Georgia
7. National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta Georgia