Krętowski, Rafał
Drozdowska, Danuta
Kolesińska, Beata
Kamiński, Zbigniew
Frączyk, Justyna
Cechowska-Pasko, Marzanna http://orcid.org/0000-0002-2806-399X
Article History
Received: 15 October 2018
Accepted: 10 December 2018
First Online: 15 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.