Published on in Vol 21, No 1 (2019): January
1 Stanford Center for Health Education, Stanford School of Medicine, Stanford University, Stanford, CA, United States
2 Institute of Global Health, Heidelberg University, Heidelberg, Germany
3 Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
4 Harvard T.H. Chan School of Public Health, Department of Global Health and Population, Harvard University, Boston, MA, United States
5 Africa Health Research Institute, Wellcome Trust, Durban, South Africa