Jakšová, Patrícia
Ľuptáčik, Peter
Miklisová, Dana
Horváthová, Františka
Hlavatá, Helena
Article History
Received: 2 August 2018
Accepted: 3 June 2019
First Online: 26 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.