Funding for this research was provided by:
Received: 30 October 2020
Accepted: 9 February 2021
First Online: 23 February 2021
Consent for publication
: Not applicable.
: This study was approved by the ethics committee of the University Erlangen-Nürnberg. All individuals gave written informed consent to participate (including consent to the use of their blood, respectively DNA, for molecular analysis). The study was conducted in accordance with the principles of the declaration of Helsinki.
: The authors declare that they have no competing interests.