1. Division of Child and Adolescent Psychiatry, Department of Psychiatry, Vagelos College of Physicians & Surgeons, Columbia University Irving Medical Center, New York, New York
2. International Control Mastery Therapy Center, Berkeley, California
3. Department of Educational Psychology, California State University, Hayward
4. Center for the Developing Brain, Child Mind Institute, New York, New York
5. Department of Epidemiology, Mailman School of Public Health, Columbia University Irving Medical Center, New York, New York
6. Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Ontario, Canada
7. Department of Psychology, University of Toronto, Toronto, Ontario, Canada
8. Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
9. Section on Negative Affect and Social Processes, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
10. Intramural Research Program, National Institute of Mental Health, Bethesda, Maryland
11. Department of Biostatistics, Mailman School of Public Health, Columbia University Irving Medical Center, New York, New York
12. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
13. Center for Biomedical Imaging and Neuromodulation, Nathan S. Kline Institute for Psychiatric Research, Orangeburg, New York