1. Departments of Epidemiology and Biostatistics
2. Pediatrics, Case Western Reserve University, Cleveland, Ohio
3. Department of Pediatrics, College of Medicine and Public Health, Ohio State University, Columbus, Ohio
4. Montefiore Medical Center, School of Medicine, New York, New York
5. Department of Psychology, University of North Carolina, Chapel Hill, North Carolina
6. Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts
7. Department of Psychiatry, Columbia University, New York, New York
8. Department of Research, American Academy of Pediatrics, Elk Grove Village, Illinois