1 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA 02115, USA; Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA; Partners In Health, Boston, MA, USA. Electronic address: rmarsh@pih.org.
2 Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA, USA; Partners In Health, Boston, MA, USA.
3 Partners In Health, Boston, MA, USA.
4 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA 02115, USA; Division of Global Health Equity, Brigham and Women's Hospital, Boston, MA, USA; Partners In Health, Boston, MA, USA.