1. Departments of Psychiatry & Human Behavior and Pediatrics, Center for the Study of Children at Risk, Brown Alpert Medical School; Women & Infants Hospital; Providence; Rhode Island
2. Department of Psychology; University of Pittsburgh; Pittsburgh; Pennsylvania
3. Department of Psychiatry & Human Behavior, Center for Autism and Developmental Disabilities, Brown Alpert Medical School; E. P. Bradley Hospital; East Providence; Rhode Island