Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (13GW0075F)
Technische Universität Dresden
Received: 7 July 2020
Accepted: 7 September 2021
First Online: 8 October 2021
: The study was approved by the ethics committee at the Technische Universität Dresden (approval number 1012016). Written consents were obtained from the participants.
: Not applicable.
: All authors confirm that they have no competing interests.