Jaszczura, Majka http://orcid.org/0000-0001-5670-4216
Mizgała-Izworska, Elżbieta http://orcid.org/0000-0003-1887-3486
Świętochowska, Elżbieta http://orcid.org/0000-0001-5787-7880
Machura, Edyta http://orcid.org/0000-0001-7163-9002
Funding for this research was provided by:
Śląski Uniwersytet Medyczny (KNW-2-003/D/8/N)
Ministerstwo Nauki i Szkolnictwa Wyższego (KNW-2-003/D/8/N)
Article History
Received: 1 June 2019
Accepted: 3 August 2019
First Online: 29 August 2019
Compliance with ethical standards
:
: Authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the Medical University of Silesia in Katowice (KNW/0022/KB1/66/14; KNW/0022/KB1/66/III/14/16/17).
: Informed consent was obtained from all individual participants included in the study. Authors declare that no part of the manuscript has been copied or published elsewhere and there is no related congress abstract publication.