Published on in Vol 6 , No 10 (2019) :October
Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/14191, first published .
1 Black Dog Institute, University of New South Wales, Sydney, AU
2 School of Social Sciences and Psychology, Western Sydney University, Sydney, AU
3 Department of Psychological Medicine, University of Auckland, Auckland, AU