1. Centers for Disease Control and Prevention (CDC)National Center on Birth Defects and Developmental Disabilities Atlanta Georgia
2. Emory University Atlanta Georgia
3. Massachusetts Department of Public Health Boston Massachusetts
4. Boston Children's Hospital Boston Massachusetts
5. Harvard Medical School Boston Massachusetts
6. New York State Department of Health Albany New York
7. University at Albany School of Public Health Rensselaer New York
8. Stanford University School of Medicine Stanford California
9. Oak Ridge Institute for Science and Education Oak Ridge Tennessee