Slívová, Ivana
Vávrová, Zuzana
Tomášková, Hana
Okantey, Okaikor
Penka, Igor
Ihnát, Peter
Article History
First Online: 10 May 2018
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in the study were in accordance with the ethical standards of the University hospital and Faculty of Medicine, University of Ostrava, Czech Republic, in accordance with the ethical standards of the Helsinki Declaration of 1975, as revised in 2000. For this type of study formal consent is not required.