About the Authors

Jahangir Hossain

† Deceased.

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

‡ These authors are joint senior authors on this work.

Affiliation Health and Nutrition Team, CARE Bangladesh, Dhaka, Bangladesh

Anne Laterra

Roles Conceptualization, Formal analysis, Methodology, Validation, Writing – original draft, Writing – review & editing

anne.laterra@care.org

‡ These authors are joint senior authors on this work.

Affiliation Sexual Reproductive Health and Rights Team, CARE USA, Atlanta, Georgia, United States of America

Rina Rani Paul

Roles Conceptualization, Investigation, Methodology, Project administration, Writing – review & editing

Affiliation Health and Nutrition Team, CARE Bangladesh, Dhaka, Bangladesh

Ahsanul Islam

Roles Project administration, Supervision, Writing – review & editing

Affiliation Health and Nutrition Team, CARE Bangladesh, Dhaka, Bangladesh

Faisal Ahmmed

Roles Formal analysis, Methodology, Writing – review & editing

Affiliation International Centre for Diaarrhoeal Disease Research, Dhaka, Bangladesh

Bidhan Krishna Sarker

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation International Centre for Diaarrhoeal Disease Research, Dhaka, Bangladesh

Competing Interests

A commercial funder, GlaxoSmithKline, funded this work through a grant to CARE [GB313 / GLXOBD0005] https://www.gsk.com/. The funder provided support in the form of research materials and salaries for authors JH, RRP, and AI, but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript nor in the services or products provided by the P-CSBAs or other providers in Sunamganj. The financial support provided by GSK, including salaries, was not contingent on results of this work. International Centre for Diarrhoeal Disease Research, an international health research organization, was contracted by CARE to design and implement the evaluation and conduct the analysis. This does not alter our adherence to PLOS ONE policies on sharing data and materials.