Srbecka, Kristyna
Michalova, Kvetoslava
Curcikova, Radmila
Michal, Michael Jr.
Dubova, Magdalena
Svajdler, Marian
Michal, Michal
Daum, Ondrej http://orcid.org/0000-0002-0930-7071
Article History
Received: 24 January 2017
Revised: 23 June 2017
Accepted: 10 July 2017
First Online: 20 July 2017
Compliance with ethical standards
: The study design has been approved by the local ethics committee (Charles University, Medical School Plzen) LEK FN Plzen. For this type of study, formal consent is not required.
: This study was supported by the Ministry of education, youth and sports grant SVV-2017-260 39.
: The authors declare that they have no conflict of interest.