Funding for this research was provided by:
Received: 9 December 2020
Accepted: 15 February 2021
First Online: 5 March 2021
: All patients were informed and gave their written consent to participate. The study was approved by the University Wuerzburg Hospital ethics committee (IRB approval: 143/17-sc 6.10.2017). All method were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.