Published on in Vol 6, No 8 (2019): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14029, first published
.
1 Evidence Based Practice Unit, University College London and Anna Freud National Centre for Children and Families, London, United Kingdom
2 Department of Computational Media, University of California, Santa Cruz, Santa Cruz, CA, United States
3 Department of Informatics, King's College London, London, United Kingdom