About the Authors

Jeremiah Ngondi

To whom correspondence should be addressed. E-mail: jn250@cam.ac.uk

Affiliation Department of Public Health and Primary Care, Institute of Public Health, University of Cambridge, Cambridge, United Kingdom

Francis Ole-Sempele

Affiliation Christian Mission Aid, Nairobi, Kenya

Alice Onsarigo

Affiliation The Carter Center, Nairobi, Kenya

Ibrahim Matende

Affiliation The Carter Center, Nairobi, Kenya

Samson Baba

Affiliation Ministry of Health, Government of South Sudan, Juba, South Sudan

Mark Reacher

Affiliation Department of Public Health and Primary Care, Institute of Public Health, University of Cambridge, Cambridge, United Kingdom

Fiona Matthews

Affiliation Medical Research Council Biostatistics Unit, Institute of Public Health, Cambridge, United Kingdom

Carol Brayne

Affiliation Department of Public Health and Primary Care, Institute of Public Health, University of Cambridge, Cambridge, United Kingdom

Paul M Emerson

Affiliation The Carter Center, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JN, FOS, AO, IM, SB, MR, FM, CB, and PME designed the study. JN and FOS collected the data. JN analyzed the data. JN, MR, and FM wrote the paper; FOS, AO, IM, SB, CB, and PME contributed to editing the paper. FM supervised the analysis of the data.