Szemraj-Folmer, Agnieszka http://orcid.org/0000-0003-1566-796X
Wojtaszek-Słomińska, Anna
Racka-Pilszak, Bogna
Kuc-Michalska, Małgorzata
Article History
Received: 17 August 2020
Accepted: 14 January 2021
First Online: 5 February 2021
Compliance with ethical standards
:
: Ethical approval was obtained from The Independent Bioethics Committee at The Medical University in Gdańsk prior to data collection (NKBBN/43/2017). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study (a retrospective, cross-sectional study), formal consent is not required.
: The authors declare no conflict of interest.