Literák, Ivan
Balla, Miloš
Vyhnal, Stanislav
Škrábal, Jan
Peške, Lubomír
Chrašč, Peter
Systad, Geir
Article History
Received: 11 March 2019
Accepted: 14 July 2019
First Online: 12 September 2019
Compliance with ethical standards
:
: The author declare that they have no conflict of interest.