Funding for this research was provided by:
Studienstiftung des Deutschen Volkes
FAZIT Stiftung
Interreg Germany-Denmark
Article History
Received: 20 August 2020
Revised: 3 January 2021
Accepted: 3 January 2021
First Online: 15 March 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.