About the Authors

Rachel T. Esra

Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Validation, Visualization, Writing – original draft

r.esra20@imperial.ac.uk

Affiliations Institute of Global Health, University of Geneva, Geneva, Switzerland, Imperial College of London, London, United Kingdom

Jacques Carstens

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

Affiliation Palindrome Data, Cape Town, South Africa

Janne Estill

Roles Writing – review & editing

Affiliation Institute of Global Health, University of Geneva, Geneva, Switzerland

Ricky Stoch

Roles Writing – review & editing

Affiliation Studio Fundi Ltd, London, United Kingdom

Sue Le Roux

Roles Writing – review & editing

Affiliation The Aurum Institute, Johannesburg, South Africa

Tonderai Mabuto

Roles Writing – review & editing

Affiliation The Aurum Institute, Johannesburg, South Africa

Michael Eisenstein

Roles Data curation

Affiliation The Aurum Institute, Johannesburg, South Africa

Olivia Keiser

Roles Writing – review & editing

Affiliation Institute of Global Health, University of Geneva, Geneva, Switzerland

Mhari Maskew

Roles Supervision, Writing – review & editing

Affiliation Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Matthew P. Fox

Roles Writing – review & editing

Affiliations Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Departments of Epidemiology and Global Health, Boston University School of Public Health, Boston, Massachusetts, United States of America

Lucien De Voux

Roles Methodology, Writing – review & editing

Affiliation Palindrome Data, Cape Town, South Africa

Kieran Sharpey-Schafer

Roles Writing – review & editing

Affiliation Palindrome Data, Cape Town, South Africa

Competing Interests

Jacques Carstens received funding in the form of salary from the commercial company Palindrome Data. Palindrome Data is partially funded by Janssen Pharmaceutica (Pty) Ltd, part of the Janssen Pharmaceutical Companies of Johnson & Johnson. There are no patents, products in development or marketed products associated with this research to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.