1. Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts.
2. Harvard Medical School, Boston, Massachusetts.
3. Division of Education and Training, The Fenway Institute, Fenway Health, Boston, Massachusetts.
4. Division of General Pediatrics, Boston Children's Hospital, Boston, Massachusetts.
5. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
6. Department of Sociology, University of Virginia, Charlottesville, Virginia.
7. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts.