Berent, Dominika http://orcid.org/0000-0002-2512-8284
Wojnar, Marcin http://orcid.org/0000-0001-5138-9050
Article History
Accepted: 28 May 2021
First Online: 11 June 2021
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the local bioethics committee: Nos. RNN/467/13/KB and KB/843/13/P.
: Informed consent was obtained from all participants.
: The authors declare that they have no conflict of interest.