Published on in Vol 4, No 1 (2020): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12917, first published
.
1 Karolinska Institutet, Department of Women's and Children's Health, Stockholm, Sweden
2 Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
3 Karolinska Institutet, Department of Public Health Sciences, Stockholm, Sweden
*these authors contributed equally