About the Authors

Laura Rossouw

Roles Conceptualization, Formal analysis, Visualization, Writing – original draft

Affiliation Health Economics and Epidemiology Research Office, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, Gauteng, South Africa

Kathryn Watt

Roles Data curation, Visualization, Writing – review & editing

wattk@ukzn.ac.za

Affiliation Centre for Rural Health, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, KwaZulu-Natal, South Africa

Leslie L. Davidson

Roles Funding acquisition, Investigation, Writing – review & editing

Affiliations Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America, Department of Pediatrics, Columbia College of Physicians and Surgeons, Columbia University, New York, New York, United States of America

Chris Desmond

Roles Funding acquisition, Investigation, Writing – review & editing

Affiliation School of Economics and Finance, University of the Witwatersrand, Johannesburg, Gauteng, South Africa

Competing Interests

The authors have declared that no competing interests exist.