About the Authors

Joseph Daniels

jdaniels@mednet.ucla.edu

Affiliation University of California Los Angeles, UCLA Center for World Health, Los Angeles, California, United States of America

Arnošt Komárek

Affiliation Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

Tawanda Makusha

Affiliation Human Sciences Research Council, Durban, South Africa

Alastair Van Heerden

Affiliation Human Sciences Research Council, Durban, South Africa

Glenda Gray

Affiliation University of the Witwatersrand/Chris Hani Baragwanath Hospital, Faculty of Health Sciences, Perinatal HIV Research Unit, Soweto, South Africa

Alfred Chingono

Affiliation University of Zimbabwe, College of Health Sciences, Harare, Zimbabwe

Jessie K. K. Mbwambo

Affiliation Muhimbili University of Health and Allied Sciences, Muhimbili University Teaching Hospital, Dar es Salaam, Tanzania

Thomas Coates

Affiliation University of California Los Angeles, UCLA Center for World Health, Los Angeles, California, United States of America

Linda Richter

Affiliations Human Sciences Research Council, Durban, South Africa, Developmental Pathways to Health Research Unit, University of the Witwatersrand, Johannesburg, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TC LR GG AC JM JD AK TM AH. Performed the experiments: TC LR GG AC JM JD AK TM AH. Analyzed the data: JD AK LR TM AH. Contributed reagents/materials/analysis tools: TC LR GG AC JM. Wrote the paper: JD AK LR TM AH.