Funding for this research was provided by:
Swiss Ministry of Justice
University of Basel
Received: 26 June 2020
Accepted: 21 December 2020
First Online: 21 January 2021
Ethics approval and consent to participate
: The Ethics Review Committees of Basel, Lausanne (Switzerland) and Ulm (Germany) approved the study.
: Not applicable.
: The authors declare that they have no competing interest.