About the Authors

Michelle R. Kaufman

Contributed equally to this work with: Michelle R. Kaufman, Marina Smelyanskaya

MichelleKaufman@jhu.edu

Affiliation Johns Hopkins Center for Communication Programs, Baltimore, Maryland, United States of America

Marina Smelyanskaya

Contributed equally to this work with: Michelle R. Kaufman, Marina Smelyanskaya

Affiliation Johns Hopkins Center for Communication Programs, Baltimore, Maryland, United States of America

Lynn M. Van Lith

Affiliation Johns Hopkins Center for Communication Programs, Baltimore, Maryland, United States of America

Elizabeth C. Mallalieu

Affiliation Johns Hopkins Center for Communication Programs, Baltimore, Maryland, United States of America

Aliza Waxman

Affiliation Johns Hopkins Center for Communication Programs, Baltimore, Maryland, United States of America

Karin Hatzhold

Affiliation Population Services International (PSI), Harare, Zimbabwe

Arik V. Marcell

Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Susan Kasedde

Affiliation United Nations Children's Fund (UNICEF), New York, New York, United States of America

Gissenge Lija

Affiliation Ministry of Health, Dar es Salaam, Tanzania

Nina Hasen

Affiliation Office of the U.S. Global AIDS Coordinator, U.S. Department of State, Washington, DC, United States of America

Gertrude Ncube

Affiliation Ministry of Health and Child Welfare, Harare, Zimbabwe

Julia L. Samuelson

Affiliation World Health Organization (WHO), Geneva, Switzerland

Collen Bonnecwe

Affiliation National Department of Health, Pretoria, South Africa

Kim Seifert-Ahanda

Affiliation United States Agency for International Development (USAID) Washington/Global Health Bureau/Office of HIV/AIDS, Washington, DC, United States of America

Emmanuel Njeuhmeli

Affiliation United States Agency for International Development (USAID) Washington/Global Health Bureau/Office of HIV/AIDS, Washington, DC, United States of America

Aaron A. R. Tobian

Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

We disclose that one of the authors (KH) is employed by a private commercial enterprise, Population Services International. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: LMVL, KH, SK, GL, NH, GN, JLS, CB, KSA, EN, AART. Analyzed the data: MRK, MS, ECM, AART. Contributed reagents/materials/analysis tools: MRK, MS, LMVL, ECM, AW, KH, AVM, SK, JLS, KSA, AART. Wrote the paper: MRK, MS, LMVL, ECM, AW, KH, AVM, SK, JLS, KSA, AART. Agree with manuscript results and conclusions: MRK, MS, LMVL, ECM, AW, KH, AVM, SK, GL, NH, GN, JLS, CB, KSA, EN, AART Read and confirm that they meet ICMJE criteria for authorship: MRK, MS, LMVL, ECM, AW, KH, AVM, SK, GL, NH, GN, JLS, CB, KSA, EN, AART.