Frei, Christopher http://orcid.org/0000-0001-8962-9240
Widmer, Martin http://orcid.org/0000-0001-7135-1500
Funding for this research was provided by:
Graz University of Technology
Article History
Received: 2 September 2019
Revised: 6 November 2020
Accepted: 11 November 2020
First Online: 23 December 2020
Compliance with ethical standards
:
: On behalf of all authors, Christopher Frei states that there is no conflict of interest. The manuscript has no associated data.