Published on in Vol 8, No 7 (2021): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23091, first published
.
1 Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom
2 Faculty of Social Sciences, University of Helsinki, Helsinki, Finland
3 Department of Public Health, University of Helsinki, Helsinki, Finland