1 Public Health Foundation of India, New Delhi, India, Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland, Health Policy and Systems Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa and Health Economics and Systems Analysis Group, Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK Public Health Foundation of India, New Delhi, India, Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland, Health Policy and Systems Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa and Health Economics and Systems Analysis Group, Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK kabir.sheikh@phfi.org.
2 Public Health Foundation of India, New Delhi, India, Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland, Health Policy and Systems Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa and Health Economics and Systems Analysis Group, Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK.
3 Public Health Foundation of India, New Delhi, India, Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland, Health Policy and Systems Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa and Health Economics and Systems Analysis Group, Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK Public Health Foundation of India, New Delhi, India, Alliance for Health Policy and Systems Research, World Health Organization, Geneva, Switzerland, Health Policy and Systems Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa and Health Economics and Systems Analysis Group, Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK.