Schäfer, Bernhard http://orcid.org/0000-0003-4364-0086
Keuper, Margret http://orcid.org/0000-0002-8437-7993
Stuckenschmidt, Heiner http://orcid.org/0000-0002-0209-3859
Funding for this research was provided by:
Projekt DEAL
Article History
Received: 6 February 2020
Revised: 19 October 2020
Accepted: 8 December 2020
First Online: 2 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.