Published on in Vol 8, No 6 (2021): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25742, first published
.
1 Division of Psychiatry, University College London, London, United Kingdom
2 Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
3 Camden and Islington NHS Foundation Trust, London, United Kingdom