1. Child and Adolescent Psychiatry, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio.
2. Long Island Jewish Health System, The Zucker Hillside Hospital, The Feinstein Institute for Medical Research of the North Shore, Long Island, New York.
3. Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois.
4. University of Washington, Seattle, Washington.
5. University of Massachusetts Medical School, Worcester, Massachusetts.
6. Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
7. Department of Psychiatry, Cincinnati Children's Hospital, Cincinnati, Ohio.
8. The EMMES Corporation, Rockville, Maryland.
9. Eunice Kennedy Shriver National Institute of Child Health and Human Development, Rockville, Maryland.