Szmajda, Dagmara http://orcid.org/0000-0002-9524-6032
Krygier, Adrian http://orcid.org/0000-0003-1525-1577
Jamroziak, Krzysztof http://orcid.org/0000-0001-7207-8534
Żebrowska-Nawrocka, Marta http://orcid.org/0000-0001-7478-7860
Balcerczak, Ewa http://orcid.org/0000-0001-5257-2914
Article History
Received: 9 July 2019
Accepted: 12 October 2019
First Online: 30 October 2019
Competing interests
: The authors declare no competing interests.