About the Authors

Guillaume Trotignon

Contributed equally to this work with: Guillaume Trotignon, Ellen Jones, Thomas Engels

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

gtrotignon@sightsavers.org

Affiliation Research Department, Sightsavers, Haywards Heath, United Kingdom

Ellen Jones

Contributed equally to this work with: Guillaume Trotignon, Ellen Jones, Thomas Engels

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

Affiliation Neglected Tropical Diseases Department, Sightsavers, Haywards Heath, United Kingdom

Thomas Engels

Contributed equally to this work with: Guillaume Trotignon, Ellen Jones, Thomas Engels

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

Affiliation Research Department, Sightsavers, Haywards Heath, United Kingdom

Elena Schmidt

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Research Department, Sightsavers, Haywards Heath, United Kingdom

Deborah A. McFarland

Roles Methodology, Writing – original draft, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliation Rollins School of Public Health, Emory University, Atlanta, GA, United States of America

Colin K. Macleod

Roles Data curation, Writing – original draft, Writing – review & editing

‡ These authors also contributed equally to this work.

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

Khaled Amer

Roles Writing – review & editing

Affiliation Prevention of Blindness Programme, Ministry of Health, Cairo, Egypt

Amadou A. Bio

Roles Writing – review & editing

Affiliation Programme National de Lutte Contre les Maladies Transmissibles, Ministère de la Santé, Cotonou, Benin

Ana Bakhtiari

Roles Data curation, Writing – review & editing

Affiliation Task Force for Global Health, Atlanta, GA, United States of America

Sarah Bovill

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation Neglected Tropical Diseases Department, Sightsavers, Haywards Heath, United Kingdom

Amy H. Doherty

Roles Data curation, Writing – review & editing

Affiliation RTI International, Washington, D.C., United States of America

Asad Aslam Khan

Roles Writing – review & editing

Affiliation King Edward Medical University, Lahore, Pakistan

Mariamo Mbofana

Roles Writing – review & editing

Affiliation Health Programa Nacional de Oftalmologia, Ministerio da Saude, Maputo, Moçambique

Siobhain McCullagh

Roles Conceptualization, Funding acquisition, Writing – review & editing

Affiliation Neglected Tropical Diseases Department, Sightsavers, Haywards Heath, United Kingdom

Tom Millar

Roles Conceptualization, Funding acquisition, Writing – review & editing

Affiliation Neglected Tropical Diseases Department, Sightsavers, Haywards Heath, United Kingdom

Consity Mwale

Roles Writing – review & editing

Affiliation Provincial Health Office, Ndola, Zambia

Lisa A. Rotondo

Roles Data curation, Writing – review & editing

Affiliation RTI International, Washington, D.C., United States of America

Angela Weaver

Roles Funding acquisition, Writing – review & editing

Affiliation United States Agency for International Development, Washington, D.C., United States of America

Rebecca Willis

Roles Data curation, Writing – review & editing

Affiliation Task Force for Global Health, Atlanta, GA, United States of America

Anthony W. Solomon

Roles Methodology, Writing – original draft, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom, Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interests exist.