1. Division of Child and Adolescent Psychiatry, Johns Hopkins University, Baltimore, Maryland.
2. Department of Psychiatry, Kennedy Krieger Institute, Baltimore, Maryland.
3. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
4. Center for Biostatistics, Ohio State University Medical Center, Columbus, Ohio.
5. Department of Psychiatry, Ohio State University, Columbus, Ohio.
6. Department of Psychiatry, Stony Brook University, Stony Brook, New York.
7. Department of Psychiatry and Psychology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
8. Department of Psychiatry, Case Western Reserve University, Cleveland, Ohio.
9. Pediatrics & Developmental Neuroscience Branch, National Institute of Mental Health, Bethesda, Maryland.
10. The Nisonger Center (UCEDD), Ohio State University, Columbus, Ohio.
11. Division of Pediatric Psychology and Neuropsychology, Nationwide Children's Hospital, Columbus, Ohio.
12. Harvard University Children's Hospital, Boston, Massachusetts.