1. Professor, Depts. of Psychiatry and Pediatrics, Institute for Juvenile Research, The University of Illinois at Chicago, Chicago, Ill 60608, .
2. Director of Research, Division of Child Psychiatry, Director, Provincial ADHD Program, Children's and Women's Health Centre, University of British Columbia.
3. Professor of Psychiatry, Director, Center for Child Mental Health & Developmental Neuroscience, Institute for Juvenile Research, University of Illinois.