Funding for this research was provided by:
Norges Forskningsråd (248073)
Centre for Intervention Science in Maternal and Child Health, University of Bergen (223269)
Received: 19 July 2020
Accepted: 12 April 2021
First Online: 20 April 2021
: The study was approved by the Research and Ethical Review Committees of the International Centre for Diarrhoeal Disease Research, Bangladesh, and the Regional Ethical Committee in Norway, Southeast region. All participants received an explanation of the purpose of the study and gave written informed consent for participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.