1. National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA;
2. Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO;
3. University of Wisconsin-Madison, Madison, WI;
4. Emory University Rollins School of Public Health, Atlanta, GA;
5. University of Wyoming Institute for Disabilities, Laramie, WY;
6. Children's Mercy Kansas City, Kansas City, MO; and
7. Kaiser Permanente, Atlanta, GA.