Wiśniewski, Marcin
Baumgart, Mariusz
Grzonkowska, Magdalena
Szpinda, Michał http://orcid.org/0000-0002-1249-6336
Pawlak-Osińska, Katarzyna
Article History
Received: 2 May 2018
Accepted: 21 October 2018
First Online: 31 October 2018
Compliance with ethical standards
:
: The authors declare no conflict of interests.