1. MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
2. Aberdeen Centre for Health Data Science (Achds) Institute of Applied Health Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Scotland, UK
3. Department of Epidemiology and Global Health, Umeå University, Umeå, Sweden
4. Public Health/Health Protection, National Health Service (NHS) Grampian, Scotland, UK
5. International Network for the Demographic Evaluation of Populations and Their Health (Indepth), Accra, Ghana
6. Institute for Global Health and Development, Queen Margaret University, Edinburgh, UK
7. Independent Consultant, White river, South Africa
8. Arthur Davison Children’s Hospital, Ndola, Zambia