Article History
Received: 2 February 2021
Accepted: 15 October 2021
First Online: 4 November 2021
Competing interests
: The authors declare no competing interests.
: Participants were not required to identify themselves, apart from their age, gender and other demographic characteristics indicated above, so the collected data were not linked to individuals. The experimental procedure complied with the ethical principles of the Declaration of Helsinki.
: Participation was voluntary, did not put any strain of power on the participants. They were informed that they could withdraw from the experiment at any time.