Wolko, Joanna http://orcid.org/0000-0001-7733-3880
Dobrzycka, Agnieszka http://orcid.org/0000-0003-3516-5393
Bocianowski, Jan http://orcid.org/0000-0002-0102-0084
Bartkowiak-Broda, Iwona http://orcid.org/0000-0002-4071-1849
Article History
Received: 9 April 2019
Accepted: 3 September 2019
First Online: 10 September 2019
Compliance with ethical standard
:
: The authors declare that there is no conflict of interest.