About the Authors

Andrew J. Prendergast

a.prendergast@qmul.ac.uk

Affiliations Centre for Paediatrics, Blizard Institute, Queen Mary University of London, London, United Kingdom, Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Sandra Rukobo

Affiliation Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe

Bernard Chasekwa

Affiliation Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe

Kuda Mutasa

Affiliation Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe

Robert Ntozini

Affiliation Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe

Mduduzi N. N. Mbuya

Affiliations Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Andrew Jones

Affiliation University of Michigan, School of Public Health, Ann Arbor, Michigan, United States of America

Lawrence H. Moulton

Affiliation Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Rebecca J. Stoltzfus

Affiliation Division of Nutritional Sciences, Cornell University, Ithaca, New York, United States of America

Jean H. Humphrey

Affiliations Zvitambo Institute for Maternal Child Health Research, Harare, Zimbabwe, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJP SR KM MNNM LHM RJS JHH. Performed the experiments: SR KM. Analyzed the data: AJP SR BC RN AJ LHM RJS JHH. Wrote the paper: AJP BC RN MNNM AJ RJS JHH.