Article History
Received: 16 August 2021
Accepted: 30 October 2022
First Online: 5 December 2022
Declarations
:
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving research study participants were approved by the Ethics Committee of Medical University of Silesia in Katowice (opinion no.: PCN/0022/KB1/80/2). The bioethics commission concluded that the study does not constitute a medical experiment.
: The subjects/patients, by filling in the questionnaire, gave us informed consent to their study participation.
: The authors declare that they have no competing interests.