About the Authors

Nicole A. Haberland

nhaberland@popcouncil.org

Affiliation Population Council, New York, United States of America

Christine A. Kelly

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Drosin M. Mulenga

Affiliation Population Council, Lusaka, Zambia

Barbara S. Mensch

Affiliation Population Council, New York, United States of America

Paul C. Hewett

Affiliation Population Council, Washington DC, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the study: PCH NAH BSM. Analyzed the data: NAH CAK DMM. Contributed to study instruments/analysis tools: NAH CAK DMM BSM PCH. Wrote the paper: NAH CAK DMM BSM PCH. Implemented the study: PCH DMM. Conceived of the paper: NAH BSM PCH.