1. Jacob Bor ( ) is a doctoral candidate in global health and population (economics) at the Harvard School of Public Health, in Boston, Massachusetts, and a research assistant at the National Bureau of Economic Research.
2. Frank Tanser is the senior spatial epidemiologist at the Africa Centre for Health and Population Studies at the University of KwaZulu-Natal in Somkhele, South Africa, and an associate professor of health and population studies at the University of KwaZulu-Natal in Durban, South Africa.
3. Marie-Louise Newell is director of the Africa Centre for Health and Population Studies and a professor of paediatric epidemiology at the University College London Institute of Child Health, in the United Kingdom.
4. Till Bärnighausen is an associate professor of global health at the Harvard School of Public Health and senior epidemiologist at the Africa Centre for Health and Population Studies.