1. Department of Social Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA; School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
2. Partners In Heath–Peru, Boston, Massachusetts, USA
3. Department of Social Medicine, Harvard Medical School, Boston, Massachusetts, USA
4. Department of Social Medicine, Harvard Medical School, Boston, Massachusetts, USA; Partners In Heath–Boston, Boston, Massachusetts, USA; Department of Global Health Equity, Brigham and Women's Hospital, Boston, Massachusetts, USA
5. Partners In Health–Russia, Boston, Massachusetts, USA
6. Department of Global Health Equity, Brigham and Women's Hospital, Boston, Massachusetts, USA
7. Partners In Heath–Boston, Boston, Massachusetts, USA
8. Partners In Heath–Boston, Boston, Massachusetts, USA; Department of Global Health Equity, Brigham and Women's Hospital, Boston, Massachusetts, USA