About the Authors

Brendan Maughan-Brown

Affiliation The Southern Africa Labour and Development Research Unit, University of Cape Town, Cape Town, Western Cape, South Africa

Atheendar S. Venkataramani

avenkataramani@partners.org

Affiliation Department of Medicine, Massachusetts General Hospital, MGH Charlestown HealthCare Center, Charlestown, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BMB ASV. Performed the experiments: BMB ASV. Analyzed the data: BMB ASV. Wrote the paper: BMB ASV.