Published on in Vol 4, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15568, first published
.
1 Faculty of Behavioural, Management and Social sciences, University of Twente, Enschede, Netherlands
2 Parnassia Addiction Research Centre, Brijder Addiction Care, Parnassia Group, The Hague, Netherlands
3 Department of Child and Adolescent Psychiatry, Curium-Leiden University Medical Center, Leiden, Netherlands