Published on in Vol 8, No 10 (2020): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17999, first published
.
1 Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
2 Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden