Theuer, Michal http://orcid.org/0000-0002-9067-8928
Berec, Luděk http://orcid.org/0000-0002-2419-3324
Article History
Received: 30 April 2020
Accepted: 20 November 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.