About the Authors

Makandwe Nyirenda

mnyirenda@africacentre.ac.za

Affiliation Africa Centre for Health and Population Studies, University of KwaZulu-Natal, KwaZulu-Natal, South Africa

Basia Zaba

Affiliation Centre for Population Studies, London School of Hygiene and Tropical Medicine, London, United Kingdom

Till Bärnighausen

Affiliations Africa Centre for Health and Population Studies, University of KwaZulu-Natal, KwaZulu-Natal, South Africa, Department of Population and International Health, Harvard School of Public Health, Boston, Massachusetts, United States of America

Victoria Hosegood

Affiliations Africa Centre for Health and Population Studies, University of KwaZulu-Natal, KwaZulu-Natal, South Africa, Centre for Population Studies, London School of Hygiene and Tropical Medicine, London, United Kingdom

Marie-Louise Newell

Affiliations Africa Centre for Health and Population Studies, University of KwaZulu-Natal, KwaZulu-Natal, South Africa, Centre for Paediatric Epidemiology and Biostatistics, UCL Institute of Child Health, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BZ MLN. Analyzed the data: MN BZ TB. Contributed reagents/materials/analysis tools: MN BZ TB VH MLN. Wrote the paper: MN BZ TB VH MLN.