Published on in Vol 9, No 11 (2020): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24422, first published
.
1 Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Solna, Sweden
2 Center for Obesity, Academic Specialist Center, Stockholm Health Services, Stockholm, Sweden