Published on in Vol 10, No 7 (2021): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/28273, first published
.
1 Faculty of Sports and Nutrition, Amsterdam University of Applied Sciences, Amsterdam, Netherlands
2 Sarphati Amsterdam, Public Health Service (GGD), Amsterdam, Netherlands
3 Faculty of Social and Behavioural Sciences, University of Amsterdam, Amsterdam, Netherlands