Published on in Vol 22, No 7 (2020): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15024, first published
.
1 Department of Health Psychology, Faculty of Psychology, Open University of the Netherlands, Heerlen, Netherlands
2 Department of Health Promotion, Caphri, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands