Polak-Berecka, M.
Kubik-Komar, A.
Gustaw, K.
Michalak, M.
Kazimierczak, W.
Waśko, A.
Article History
Received: 1 March 2018
Revised: 16 April 2018
Accepted: 21 April 2018
First Online: 4 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects.