Published on in Vol 23, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17655, first published
.

1 Icare JGZ, Meppel, The Netherlands
2 Chairgroup Consumption & Healthy Lifestyles, Wageningen University, Wageningen, The Netherlands
3 GGD NOG, Warnsveld, The Netherlands
