About the Authors

Joseph B. Koroma
National Onchocerciasis Control Program, Ministry for Health and Sanitation, Freetown, Sierra Leone

Joseph B. Koroma, Francis E. Nylander
World Health Organization, Freetown, Sierra Leone

Jen Peterson, Mary H. Hodges
Helen Keller International, Freetown, Sierra Leone

Aiah A. Gbakima, Foday Sahr
University of Sierra Leone, Freetown, Sierra Leone

Ricardo J. Soares Magalhães
School of Population Health, University of Queensland, Herston, Queensland, Australia

Yaobi Zhang
Regional Office for Africa, Helen Keller International, Dakar, Senegal

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JBK JP. Performed the experiments: JBK. Analyzed the data: RJSM YZ MHH. Contributed reagents/materials/analysis tools: AAG FEN FS. Wrote the paper: MHH. Reviewed and revised the manuscript: YZ.