1. Boston University, School of Medicine, Section of General Internal Medicine, Crosstown Center, Boston, Massachusetts2Boston University, School of Public Health, Department of Community Health Sciences, Crosstown Center, Boston, Massachusetts3Boston Medical Center, Section of General Internal Medicine, Crosstown Center, Boston, Massachusetts
2. Boston University, School of Medicine, Section of General Internal Medicine, Crosstown Center, Boston, Massachusetts2Boston University, School of Public Health, Department of Community Health Sciences, Crosstown Center, Boston, Massachusetts
3. Boston Medical Center, Section of General Internal Medicine, Crosstown Center, Boston, Massachusetts
4. Boston University, School of Public Health, Department of Community Health Sciences, Crosstown Center, Boston, Massachusetts
5. Bridge Over Troubled Waters, Boston, Massachusetts
6. University of Massachusetts Medical School, Division of Preventive and Behavioral Medicine, Department of Medicine, Worcester