Jaszczura, Majka http://orcid.org/0000-0001-5670-4216
Góra, Anna http://orcid.org/0000-0002-6294-6147
Grzywna-Rozenek, Ewa http://orcid.org/0000-0001-5767-627X
Barć-Czarnecka, Małgorzata http://orcid.org/0000-0001-6167-0225
Machura, Edyta http://orcid.org/0000-0001-7163-9002
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego
Śląski Uniwersytet Medyczny
Article History
Received: 21 January 2019
Accepted: 6 March 2019
First Online: 13 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Study was approved by Ethics Committee of the Medical University of Silesia in Katowice on 01.07.2014 (KNW/0022/KB1/66/14; KNW/0022/KB1/66/III/14/16/17).
: All participants signed an informed consent declaration.