Funding for this research was provided by:
Innovation and Research Pool Osnabrück University (N/A)
Received: 8 July 2020
Accepted: 9 February 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Osnabrück University ethics committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.Informed consent was obtained from all individual participants included in the study, and their legal guardians if minor.
: The authors declare that they have no competing interests.