Funding for this research was provided by:
Medizinische Fakultät Heidelberg der Universität Heidelberg
Received: 28 June 2021
Accepted: 24 February 2022
First Online: 7 March 2022
: We obtained ethical approval for this study from the Ethical Committee of the Faculty of Medicine at the University of Heidelberg (Ref. S-135/2017). Written informed consent was obtained from all interview participants. All information collected from interview respondents were recorded and analyzed under a pseudonym.
: Not applicable.
: The authors declare that they have no competing interests.