Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01ZZ1801C, 01ZZ1801A, 01ZZ1801B, 01ZZ1801C, 01ZZ1801C, 01ZZ1801C, 01ZZ1801L)
Received: 25 February 2020
Accepted: 9 September 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: The study was submitted and approved by the ethics committee of the Technical University of Dresden with the committee’s reference number “EK 226052019”. All participants provided written consent to participate in the study.
: Written informed consent for publication was obtained from all research participants.
: The authors declare that they have no competing interests.