Funding for this research was provided by:
Received: 12 May 2022
Accepted: 26 July 2022
First Online: 16 August 2022
: The study was approved by the Institutional Boards of the Ruhr-University Bochum, Germany, and the University Hospital of Alexandroupolis, Greece. All subjects gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests regarding the present work.