1. Kennedy Krieger Institute and Department of Psychiatry and Behavioral Sciences at the Johns Hopkins University School of Medicine, Baltimore, Maryland;
2. Department of Health Psychology at the University of Missouri and Thompson Center for Autism and Neurodevelopmental Disorders, Columbia, Missouri;
3. Division of Developmental and Behavioral Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
4. Children’s Health Council, Palo Alto, California;
5. Center for Child and Adolescent Health Research and Policy, Massachusetts General Hospital for Children and Harvard Medical School, Boston, Massachusetts; and
6. Nisonger Center of Excellence in Developmental Disabilities and
7. Department of Developmental and Behavioral Pediatrics, The Ohio State University, Columbus, Ohio