Received: 20 October 2020
Accepted: 24 June 2021
First Online: 8 July 2021
: The research was approved by the Jgiellonian University Bioethics Committee - No. of approval: 072.6120.208.2018.Students were informed of the confidentiality and anonymity of the study. They were also told that their participation was voluntary and that they may withdraw from the study at any time. Students had given their informed verbal consent to participate in the study.
: Not applicable.
: The author declare no competing interest.