Remšík, Ján
Fedr, Radek
Navrátil, Jiří
Binó, Lucia
Slabáková, Eva
Fabian, Pavel
Svoboda, Marek
Souček, Karel
Article History
Received: 10 October 2017
Revised: 19 December 2017
Accepted: 20 December 2017
First Online: 20 February 2018
Change Date: 20 March 2018
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.