1. Academic Medical Center, Department of Global Health, University of Amsterdam, Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
2. Department of Epidemiology and Community Health, University of Ilorin Teaching Hospital, Ilorin, Nigeria
3. Faculty of Economics and Business, Section Quantitative Economics, University of Amsterdam, Amsterdam, The Netherlands
4. Department of Economics, Vrije Universiteit Amsterdam, Amsterdam Institute for International Development, Amsterdam, The Netherlands
5. Academic Medical Center, Emma Children's Hospital, Department of Paediatrics, Global Child Health Group, Amsterdam, The Netherlands