Gołub, Adam http://orcid.org/0000-0002-0292-7526
Piekutin, Janina
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (S/WBiIŚ/3/2014)
Article History
Received: 16 September 2019
Accepted: 25 February 2020
First Online: 12 March 2020
Competing interests
: The authors declare no competing interests.