Published on in Vol 22 , No 10 (2020) :October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20631, first published
.

1 University of Haifa, Haifa, Israel
2 Victoria University of Wellington, Wellington, New Zealand
3 University of California, Irvine, Irvine, CA, United States