Funding for this research was provided by:
European Regional Development Fund (ZS/2019/10/101921)
Received: 2 October 2020
Accepted: 16 February 2021
First Online: 2 March 2021
Ethics approval and consent to participate
: The study has been approved by the IRB of the Medical Faculty of the OvGU Magdeburg (No.: 182/18). A written informed consent will be obtained from each study participant.
: Not applicable.
: The authors declare that they have no competing interests.