Published on in Vol 23, No 6 (2021): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24584, first published
.
1 Department of Medical Psychology, University Medical Center Hamburg–Eppendorf, Hamburg, Germany
2 Department for Clinical Psychology and Psychotherapy, University of Ulm, Ulm, Germany