Funding for this research was provided by:
Friedrich-Schiller-Universität Jena
Article History
Received: 24 April 2020
Accepted: 30 September 2020
First Online: 9 October 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Theoretical study, no ethical approval necessary.
: Theoretical study, no informed consent necessary.