Szczepko, Katarzyna http://orcid.org/0000-0003-3687-4060
Kruk, Andrzej http://orcid.org/0000-0003-1452-7906
Wiśniowski, Bogdan http://orcid.org/0000-0001-7101-9233
Article History
Received: 11 March 2019
Accepted: 9 December 2019
First Online: 29 January 2020
Competing interests
: The authors declare no competing interests.