Funding for this research was provided by:
Deutscher Akademischer Austauschdienst
Received: 13 March 2020
Accepted: 2 November 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: The experimental procedures were approved by the ethical committee according to the German Animal Welfare Law and Guidelines under the code 31/2017.
: Not applicable
: The authors declare that no competing interests exist.