1. Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University
2. Bradley/Hasbro Research Center, Rhode Island Hospital
3. Center for Child and Family Policy, Duke University
4. Mailman Center for Child Development, University of Miami Miller School of Medicine
5. Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center
6. Department of Psychology and Neuroscience, University of North Carolina