Nowak, Ewa http://orcid.org/0000-0001-6141-7465
Sypniewski, Daniel http://orcid.org/0000-0003-2114-4831
Bednarek, Ilona http://orcid.org/0000-0002-3003-5437
Funding for this research was provided by:
Śląski Uniwersytet Medyczny (KNW-2-B24/N/8/K, KNW-1-182/N/8/B., KNW-2-B13/N/9/K)
Article History
Received: 9 July 2019
Accepted: 30 January 2020
First Online: 4 February 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.