Hirschfeldova, Katerina
Florianova, Martina
Kebrdlova, Vera
Urbanova, Marketa
Stekrova, Jitka
Article History
Received: 30 May 2016
Revised: 30 August 2016
Accepted: 6 September 2016
First Online: 6 October 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.