1. Department of Applied Economics, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, The Netherlands
2. Erasmus School of Economics and School of Health Policy & Management, Erasmus University Rotterdam, Rotterdam, The Netherlands
3. Tinbergen Institute, University of Lausanne, Switzerland
4. Results for Development Institute, Washington, DC, USA
5. International Health Department, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
6. Health, Nutrition and Population Global Practice, The World Bank Group, Washington, DC, USA
7. Human Development Practice Group, World Bank, Washington, DC, USA
8. Department of Economics, Stellenbosch University, Stellenbosch, South Africa
9. Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
10. Hanoi University of Public Health, Hanoi, Vietnam
11. Health Economics Unit, University of Cape Town, Cape Town, South Africa
12. Development Research Group, The World Bank Group, Washington, DC, USA