1. Departments of Pediatrics and Psychiatry, Boonshoft School of Medicine, Wright State University, Dayton, Ohio
2. Divisions of General and Developmental-Behavioral Pediatrics, Department of Pediatrics, University of California, Los Angeles, Los Angeles, California
3. Department of Pediatrics, University of Massachusetts Medical School, Worcester, Massachusetts
4. Ambulatory Health Services, Philadelphia Department of Public Health, Philadelphia, Pennsylvania