Published on in Vol 23, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21690, first published
.

1 Department of Stochastics, Centrum Wiskunde & Informatica, Amsterdam, The Netherlands
2 113 Suicide Prevention, Amsterdam, The Netherlands
3 Interactive Intelligence, Delft University of Technology, Delft, The Netherlands