Funding for this research was provided by:
Grand Challenges Canada
Received: 23 December 2019
Accepted: 29 October 2020
First Online: 7 November 2020
Ethics approval and consent to participate
: On September 1, 2015, our study, with designated Protocol Number PR-15027, received approval from the Ethical Review Committee of the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b). All the participants provided written consent.
: Not applicable.
: The authors declare that they have no competing interests.