Martinec Nováková, Lenka http://orcid.org/0000-0002-5695-2903
Fialová, Jitka http://orcid.org/0000-0003-2419-7461
Havlíček, Jan http://orcid.org/0000-0003-2374-7337
Article History
Received: 17 October 2017
Accepted: 12 January 2018
First Online: 13 February 2018
Competing Interests
: The authors declare no competing interests.