Broda, Jan http://orcid.org/0000-0003-2177-5705
Baczek, Marcin http://orcid.org/0000-0002-6079-2973
Fabia, Janusz http://orcid.org/0000-0002-6003-3918
Binias, Dorota http://orcid.org/0000-0002-2548-1774
Fryczkowski, Ryszard http://orcid.org/0000-0001-6395-2234
Article History
Received: 24 June 2019
Accepted: 17 September 2019
First Online: 26 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.