1. National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention; Atlanta Georgia
2. Massachusetts Department of Public Health; Boston Massachusetts
3. New York State Department of Health; Albany New York
4. University at Albany School of Public Health; Rensselaer New York
5. University of Utah School of Medicine; Salt Lake City Utah
6. College of Medicine; University of Arkansas for Medical Sciences; Little Rock Arkansas
7. Texas Department of State Health Services; Austin Texas
8. University of North Carolina; Chapel Hill North Carolina
9. University of Iowa; Iowa City Iowa
10. Stanford University School of Medicine; Stanford California