About the Authors

Natasha Pillai

Roles Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Social and Mathematical Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom

Nicola Foster

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Health Economics Unit, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa

Yasmeen Hanifa

Roles Conceptualization, Data curation, Methodology, Project administration, Writing – review & editing

Affiliation Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, United Kingdom

Nontobeko Ndlovu

Roles Investigation, Project administration, Writing – review & editing

Affiliation Aurum Institute, Johannesburg, South Africa

Katherine Fielding

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – review & editing

Affiliations Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa

Gavin Churchyard

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliations Aurum Institute, Johannesburg, South Africa, Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa

Violet Chihota

Roles Funding acquisition, Project administration, Supervision, Writing – review & editing

Affiliations Aurum Institute, Johannesburg, South Africa, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa

Alison D. Grant

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

Affiliations Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, United Kingdom, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa, Africa Health Research Institute, School of Nursing and Public Health, University of KwaZulu-Natal, South Africa

Anna Vassall

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

Anna.Vassall@lshtm.ac.uk

Affiliation Social and Mathematical Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.