Olakowski, Marek http://orcid.org/0000-0002-0836-0583
Grudzińska, Ewa http://orcid.org/0000-0003-2283-0286
Mrowiec, Sławomir http://orcid.org/0000-0003-2206-3144
Funding for this research was provided by:
Medical University of Silesia
Article History
Received: 6 November 2019
Accepted: 9 January 2020
First Online: 23 January 2020
Compliance with ethical standards
:
: Marek Olakowski declares that he has no conflict of interest. Ewa Grudzińska declares that she has no conflict of interest. Sławomir Mrowiec declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.