Funding for this research was provided by:
Marsilius Kolleg, Centre for Advanced Study at Heidelberg University (0)
Article History
Received: 17 April 2019
Accepted: 3 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The medical ethics committee of the Medical Faculty of Heidelberg University provided approval for the study (S600/2018). No written or verbal informed consent was required. According to the ethics committee, anonymous return of the questionnaire was considered consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.