1. The Fenway Institute, Fenway Health, Boston, Massachusetts.
2. Department of Psychiatry, Harvard Medical School/Massachusetts General Hospital, Boston, Massachusetts.
3. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts.
4. Department of Society, Human Development and Health, Harvard School of Public Health, Boston, Massachusetts.
5. Beth Israel Deaconess Medical Center, and Harvard Medical School, Boston, Massachusetts.