About the Authors
Division of International and Environmental Health, Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
Division of Biostatistics, Indiana University, Indianapolis, Indiana, United States of America
Lighthouse Trust at Kamuzu Central Hospital and Ministry of Health, Lilongwe, Malawi
Faculty of Health Sciences, Desmond Tutu HIV Centre, Institute for Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
Programme PAC-CI, Abidjan, Côte d'Ivoire
School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
Department of Social Medicine, University of Bristol, Bristol, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MWB ME JACS. Performed the experiments: MWB BS. Analyzed the data: MWB BS. Contributed reagents/materials/analysis tools: CTY RW RW EM AB JACS. Wrote the paper: MWB BS CTY RW RW EM AB ME JACS.