Stachera, M.
Sznajder, K.
Kotlorz, D.
Article History
Received: 26 March 2021
Revised: 23 April 2021
Accepted: 23 April 2021
First Online: 27 September 2021
CONFLICT OF INTEREST
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies 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.