Svitok, Pavel
Molcan, Lubos
Stebelova, Katarina
Vesela, Anna
Sedlackova, Natalia
Ujhazy, Eduard
Mach, Mojmir
Zeman, Michal
Article History
Received: 26 June 2015
Revised: 12 January 2016
Accepted: 29 January 2016
First Online: 25 February 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.