Vavřínová, Anna
Behuliak, Michal
Bencze, Michal
Vaněčková, Ivana
Zicha, Josef
Article History
Received: 14 August 2018
Revised: 15 November 2018
Accepted: 27 November 2018
First Online: 16 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.