Strzelec, Małgorzata
Białek, Katarzyna
Spyra, Aneta
Article History
Received: 4 October 2017
Accepted: 18 May 2018
First Online: 11 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All of the experiments complied with the current Polish law.