Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPPGD759)
Received: 11 April 2017
Accepted: 25 May 2018
First Online: 6 July 2018
Ethics approval and consent to participate
: All households provided written informed consent at enrollment. The protocol was reviewed and approved by human subjects review committees at the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b) and at the University of California, Berkeley.
: All co-authors have reviewed this version of the manuscript and provided consent for manuscript submission.
: The authors declare that they have no competing interests.
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