1. Department of Global Health and Population, Harvard T. H. Chan School of Public Health , Boston, MA 02115, United States
2. Department of Epidemiology and Public Health, Swiss Tropical & Public Health Institute , Allschwil 4123, Switzerland
3. University of Basel , Basel 4001, Switzerland
4. Center for Health Decision Science, Harvard T. H. Chan School of Public Health , Boston, MA 02115, United States
5. Management Sciences for Health , Medford, MA 02155, United States
6. Research Department, George Institute for Global Health , New Delhi, Delhi 110025, India
7. Department of Medicine, University of New South Wales , New South Wales 2052, Australia
8. Department of Global Health, Boston University School of Public Health , Boston, MA 02118, United States
9. Bill & Melinda Gates Foundation , Seattle, WA 98109, United States
10. Bill & Melinda Gates Foundation , New Delhi, Delhi 110067, India