Martinovičová, Mária
Janeček, Štefan
Funding for this research was provided by:
Slovenská Akadémia Vied (VEGA 2/0146/17)
Article History
Received: 22 May 2018
Accepted: 20 June 2018
First Online: 9 July 2018
Compliance with ethical standards
:
: Both authors declare that they have no conflict of interests.