Variny, Miroslav http://orcid.org/0000-0001-6163-7273
Blahušiak, Marek
Mierka, Otto
Godó, Štefan
Margetíny, Tibor
Article History
Received: 19 September 2018
Accepted: 11 June 2019
First Online: 25 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.