About the Authors

Michael M. Chanda

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Lusaka, Zambia

Katrina F. Ortblad

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

Affiliation Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America

Magdalene Mwale

Roles Data curation, Investigation, Project administration, Resources, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Lusaka, Zambia

Steven Chongo

Roles Investigation, Project administration, Resources, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Lusaka, Zambia

Catherine Kanchele

Roles Investigation, Project administration, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Lusaka, Zambia

Nyambe Kamungoma

Roles Investigation, Project administration, Resources, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Lusaka, Zambia

Andrew Fullem

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliation John Snow, Inc., Boston, Massachusetts, United States of America

Caitlin Dunn

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

Affiliation John Snow, Inc., Boston, Massachusetts, United States of America

Leah G. Barresi

Roles Investigation, Methodology, Project administration, Supervision, Writing – review & editing

Affiliation Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America

Guy Harling

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

Affiliations Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America, Research Department of Infection and Population Health, Institute for Global Health, University College London, London, United Kingdom

Till Bärnighausen

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliations Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America, Heidelberg Institute of Public Health, University of Heidelberg, Heidelberg, Germany, Africa Health Research Institute, KwaZulu-Natal, South Africa

Catherine E. Oldenburg

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

catherine.oldenburg@ucsf.edu

Affiliations Francis I. Proctor Foundation for Research in Ophthalmology, University of California, San Francisco, California, United States of America, Department of Ophthalmology, University of California, San Francisco, California, United States of America, Department of Epidemiology and Biostatistics, University of California, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.