Koreň, Ján
Hrabovský, Vladimír
Kmeťová, Marta
Siegfried, Leonard
Röderová, Magdaléna
Luha, Ján
Liptáková, Adriana
Funding for this research was provided by:
Ministry of School of the Slovak Republic (VEGA 1/0857/10, APVV-16-0173)
Article History
Received: 10 March 2018
Accepted: 15 November 2018
First Online: 26 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.