Published on in Vol 7, No 3 (2019): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11490, first published
.
1 VTT Technical Research Centre of Finland Ltd., Espoo, Finland
2 VTT Technical Research Centre of Finland Ltd., Oulu, Finland
3 Institute of Public Health and Clinical Nutrition, School of Medicine, University of Eastern Finland, Kuopio, Finland