Kuś, Piotr http://orcid.org/0000-0003-0679-1483
Hellwig, Hubert
Kusz, Joachim
Książek, Maria
Rojkiewicz, Marcin
Sochanik, Aleksander
Article History
Received: 2 May 2018
Accepted: 25 July 2018
First Online: 18 August 2018
Compliance with ethical standards
:
: The authors have no financial or other relations that could lead to a conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.