1. Department of Psychiatry, Western Psychiatric Institute and Clinic of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania2Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
2. Department of Psychiatry, Western Psychiatric Institute and Clinic of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
3. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Department of Psychiatry, Washington University School of Medicine, St Louis, Missouri
5. Department of Psychiatry, Western Psychiatric Institute and Clinic of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania2Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania3Depart
6. Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada8Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
7. Department of Psychiatry, Western Psychiatric Institute and Clinic of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania9Department of Behavioral and Community Health Sciences, Graduate School of Public Health, University of Pittsburgh, Pit