About the Authors

Beesan Tan

Roles Data curation, Formal analysis, Investigation, Software, Visualization, Writing – original draft, Writing – review & editing

Affiliation College of Pharmacy, University of Iowa, Iowa City, Iowa, United States of America

Nicholas Opoku

Roles Investigation, Writing – review & editing

Affiliations Onchocerciasis Chemotherapy Research Centre, Hohoe, Ghana, University of Health and Allied Sciences (UHAS), Ho, Ghana

Simon K. Attah

Roles Investigation, Writing – review & editing

Affiliation Onchocerciasis Chemotherapy Research Centre, Hohoe, Ghana

Kwablah Awadzi

† Deceased.

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

Affiliation Onchocerciasis Chemotherapy Research Centre, Hohoe, Ghana

Annette C. Kuesel

Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

Affiliation UNICEF/UNDP/World Bank/World Health Organization Special Programme for Research and Training in Tropical Diseases (WHO/TDR), World Health Organization, Geneva, Switzerland

Janis Lazdins-Helds

Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

Affiliation UNICEF/UNDP/World Bank/World Health Organization Special Programme for Research and Training in Tropical Diseases (WHO/TDR), World Health Organization, Geneva, Switzerland

Craig Rayner

Roles Writing – review & editing

Affiliation Monash University, Victoria, Australia

Victoria Ryg-Cornejo

Roles Writing – review & editing

Affiliation Medicines Development for Global Health, Southbank, Victoria, Australia

Mark Sullivan

Roles Project administration, Writing – review & editing

Affiliations Medicines Development for Global Health, Southbank, Victoria, Australia, The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia

Lawrence Fleckenstein

Roles Methodology, Resources, Supervision, Validation, Writing – review & editing

l-fleckenstein@uiowa.edu

Affiliation College of Pharmacy, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: This study was funded by the UNICEF/UNDP/World Bank/World Health Organisation Special Programme for Research and Training in Tropical Diseases (WHO/TDR) and the African Programme for Onchocerciasis Control. JLH and ACK were staff of WHO/TDR at the time of study preparation and conduct, were responsible for the management of the project at WHO/TDR and confirm that their employment and role in project management has not caused any conflict of interest.