Published on in Vol 6 , No 12 (2018) :December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11579, first published
.

1 Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
2 Center for Shared Decision Making and Collaborative Care Research, Division of Medicine, Oslo University Hospital, Oslo, Norway