Funding for this research was provided by:
Received: 9 October 2020
Accepted: 29 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of the Jena University Hospital (No. 2020-1751_1-BO). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.