About the Authors

Peter Byass

peter.byass@epiph.umu.se

Affiliations Department of Public Health and Clinical Medicine, Umeå Centre for Global Health Research, Umeå University, Umeå, Sweden, 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

Osman Sankoh

Affiliation INDEPTH Network, Accra, Ghana

Stephen M. Tollman

Affiliations Department of Public Health and Clinical Medicine, Umeå Centre for Global Health Research, Umeå University, Umeå, Sweden, 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

Ulf Högberg

Affiliations Department of Public Health and Clinical Medicine, Umeå Centre for Global Health Research, Umeå University, Umeå, Sweden, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden

Stig Wall

Affiliation Department of Public Health and Clinical Medicine, Umeå Centre for Global Health Research, Umeå University, Umeå, Sweden

Competing Interests

OS is Executive Director of the INDEPTH Network, which aims to support local health and demographic surveillance system centres. Other authors declare no competing interests.

Author Contributions

Conceived and designed the experiments: PB OS SMT UH SW. Analyzed the data: PB. Wrote the paper: PB OS SMT UH SW.