Borzucka, Dorota
Kręcisz, Krzysztof http://orcid.org/0000-0003-2802-981X
Rektor, Zbigniew
Kuczyński, Michał
Article History
Received: 29 May 2020
Accepted: 9 October 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: The study was approved by the Bioethics Committee of Opole Chamber of Physicians in Opole (ethical approval code No. 151/13.12.2007). Before testing, all subjects provided written informed consent to participate in the study and to have their results analyzed.
: Not Applicable.
: The authors declare that they have no competing interests.