Pospiech, Piotr http://orcid.org/0000-0003-3509-5495
Olejnik, Konrad http://orcid.org/0000-0003-4848-4617
Mizerska, Urszula http://orcid.org/0000-0003-3507-5486
Zakrzewska, Joanna http://orcid.org/0000-0002-0222-8960
Article History
Received: 5 June 2020
Accepted: 2 December 2020
First Online: 2 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.