Published on in Vol 9, No 1 (2020): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14588, first published
.
1 Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
2 Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden