Published on in Vol 22 , No 12 (2020) :December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19137, first published
.

1 Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, JP
2 International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, BD