1. Department of Psychiatry; University of California, San Francisco; San Francisco California
2. Child Psychiatry Branch; National Institute of Mental Health; Bethesda Maryland
3. Department of Psychiatry; Hospital CIMA; San José Costa Rica
4. Department of Psychiatry; University of California, Los Angeles; Los Angeles California
5. Department of Psychology; University of California, Los Angeles; Los Angeles California
6. Departments of Psychiatry and Human Genetics; University of Chicago; Chicago Illinois
7. Department of Psychiatry and Institute for Human Genetics; University of California, San Francisco; San Francisco California