Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Do 761/15-1)
Received: 17 September 2020
Accepted: 7 December 2020
First Online: 22 December 2020
Ethics approval and consent to participate
: This work was approved by the Ethics Committee at Hannover Medical School. All study participants gave informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.