About the Authors

Eric Lugada

ericlugada@yahoo.com

Affiliation CHF International, Nairobi, Kenya

Debra Millar

Affiliation CHF International, Silver Spring, Maryland, United States of America

John Haskew

Affiliation Liverpool School of Tropical Medicine, Liverpool, United Kingdom

Mark Grabowsky

Affiliation ESP/UN Foundation, Washington, D.C., United States of America

Navneet Garg

Affiliation Vestergaard-Frandsen, Inc., Lausanne, Switzerland

Mikkel Vestergaard

Affiliation Vestergaard-Frandsen, Inc., Lausanne, Switzerland

James Kahn

Affiliation University of California San Francisco, San Francisco, California, United States of America

Nicholas Muraguri

Affiliation National AIDS/STI Control Program (NASCOP), Ministry of Public Health and Sanitation, Nairobi, Kenya

Jonathan Mermin

Affiliation Coordinating Office for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya

Competing Interests

The authors declare that the Vestergaard Frandsen company did not pay out any consultation fees, payment to write the manuscript or payments in any other form to any of the co-authors. Both Navneet Garg and Mikkel Vestergaard are co-authors and work for Vestergaard Frandsen. However, they played no role in the design of the study, data collection and analysis, decision to publish, and only contributed as co-authors in the preparation of the manuscript. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials resulting from this publication.

Author Contributions

Conceived and designed the experiments: ESL DM JH MG JGK NM JM. Performed the experiments: ESL JH. Analyzed the data: ESL MG JGK JM. Contributed reagents/materials/analysis tools: NG MV NM JM. Wrote the paper: ESL DM JH MG NG MV JGK NM JM. Edited the manuscript: DM. Funded the campaign and program evaluation: NG MV.