Funding for this research was provided by:
Erasmus+ (2017-1-DK01-KA203-034270)
Universität Leipzig
Article History
Received: 8 October 2020
Accepted: 23 April 2021
First Online: 18 June 2021
Declarations
:
: O. Wohlfart, S. Adam and G. Hovemann declare that they have no competing interests.
: Ethical standards for good scientific practice were considered in accordance to the Declaration of Helsinki.