1. Centre for Global Development and Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK
2. Department of Public Health and Clinical Medicine, Umeå Centre for Global Health Research, Epidemiology and Global Health, Umeå University, Umeå, Sweden
3. MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, University of the Witwatersrand, Johannesburg, Johannesburg, South Africa
4. Medical Research Council (MRC) Unit, The Gambia at London School of Hygiene and Tropical Medicine (LSHTM), London, UK
5. Mpumalanga Department of Health, Nelspruit, South Africa
6. INDEPTH Network, Accra, Ghana
7. Institute for Global Health and Development, Queen Margaret University, Edinburgh, UK