About the Authors

Bidhan Krishna Sarker

bidhan@icddrb.org; bidhanicddrb@gmail.com

Affiliation Centre for Reproductive Health, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), GPO Box-1000, Dhaka, Bangladesh

Musfikur Rahman

Affiliation Centre for Reproductive Health, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), GPO Box-1000, Dhaka, Bangladesh

Tawhidur Rahman

Affiliation Centre for Reproductive Health, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), GPO Box-1000, Dhaka, Bangladesh

Jahangir Hossain

Affiliation Care Bangladesh, Pragati Insurance Bhabhan, 20–21 Kawran Bazar, Level 9–13, Dhaka, 1215, Bangladesh

Laura Reichenbach

Affiliations Senior Associate and Deputy Director for Research, The Evidence Project, Population Council, Washington, District of Columbia, United States of America, Former Director and Social Scientist, Centre for Reproductive Health, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), GPO Box-1000, Dhaka, Bangladesh

Dipak Kumar Mitra

Affiliation International Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America

Competing Interests

The authors do not have any competing interests with funder. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BKS JH LR DKM. Performed the experiments: BKS JH LR DKM. Analyzed the data: BKS MR TR JH LR DKM. Contributed reagents/materials/analysis tools: BKS MR TR JH LR DKM. Wrote the paper: BKS MR TR JH LR DKM.