About the Authors

Kathryn L. Hopkins

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

HopkinsK@PHRU.co.za

Affiliations Perinatal HIV Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Maya Jaffer

Roles Data curation, Formal analysis, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

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

Khuthadzo E. Hlongwane

Roles Data curation, Formal analysis, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

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

Kennedy Otwombe

Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – review & editing

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

Janan Dietrich

Roles Formal analysis, Methodology, Validation, Writing – review & editing

Affiliations Perinatal HIV Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa, Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa

Mireille Cheyip

Roles Resources, Writing – review & editing

Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa

Jacobus Olivier

Roles Resources, Writing – review & editing

Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa

Tanya Doherty

Roles Conceptualization, Investigation, Methodology, Writing – review & editing

Affiliations School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa

Glenda E. Gray

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliations Perinatal HIV Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa, Office of the President, South African Medical Research Council, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.