Funding for this research was provided by:
Graz University of Technology
Article History
Received: 4 October 2021
Accepted: 20 January 2023
First Online: 17 February 2023
Conflict of interest
: D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger and K. Huber declare that they have no competing interests.