About the Authors

Sarah L. Braunstein

braunstein.sarah@gmail.com

Current address: New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Affiliation Mailman School of Public Health, Columbia University, New York, New York, United States of America

Chantal M. Ingabire

Affiliation Projet Ubuzima, Kigali, Rwanda

Eveline Geubbels

Affiliations Projet Ubuzima, Kigali, Rwanda, Academic Medical Center of the University of Amsterdam, Department of Internal Medicine, and Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands

Joseph Vyankandondera

Affiliations Projet Ubuzima, Kigali, Rwanda, Belgian Development Agency, Kigali, Rwanda

Marie-Michèle Umulisa

Affiliation Projet Ubuzima, Kigali, Rwanda

Elysée Gahiro

Affiliation Projet Ubuzima, Kigali, Rwanda

Mireille Uwineza

Affiliation Projet Ubuzima, Kigali, Rwanda

Coosje J. Tuijn

Affiliations Projet Ubuzima, Kigali, Rwanda, Academic Medical Center of the University of Amsterdam, Department of Internal Medicine, and Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands

Denis Nash

Current address: CUNY School of Public Health at Hunter College, New York, New York, United States of America

Affiliation Mailman School of Public Health, Columbia University, New York, New York, United States of America

Janneke H. H. M. van de Wijgert

Affiliations Projet Ubuzima, Kigali, Rwanda, Academic Medical Center of the University of Amsterdam, Department of Internal Medicine, and Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands

Competing Interests

The authors have read the journal's policy and have the following to declare: The study received funding from the International Partnership for Microbicides, Inc., a nonprofit public-private product development partnership. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SLB JV EG DN JHHMvdW. Performed the experiments: SLB CMI JV M-MU EG MU CJT JHHMvdW. Analyzed the data: SLB EG DN JHHMvdW. Wrote the paper: SLB DN JHHMvdW.