1. Department of Global Health and Population, Women and Health Initiative, Harvard T.H. Chan School of Public Health, 651 Huntington Avenue, FXB 7th Floor, Boston, MA 02115, USA,
2. Department of Global Health, Boston University School of Public Health, 801 Massachusetts Ave, Crosstown Building, 3rd Floor, Boston, MA 02118, USA,
3. JSI Research & Training Institute Inc., The Last Ten Kilometers Project, 44 Farnsworth St, Boston, MA 02210, USA, and
4. Ariadne Labs at Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public Health, 401 Park Drive, Boston, MA 02215, USA