| Affiliation: | 1. Division of Oral Biology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, Pennsylvania;2. Department of Human Genetics, University of Pittsburgh, Graduate School of Public Health, Pittsburgh, Pennsylvania;3. Department of Psychiatry, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania;4. Departments of Psychiatry and Neurology, University of Rochester, School of Medicine, Rochester, New York;5. Intramural Research Program, National Institute of Mental Health, Bethesda, Maryland |
