Received: 15 October 2020
Accepted: 27 July 2021
First Online: 9 August 2021
: An ethics approval is deemed unnecessary according to national regulations. In accordance to EU Regulation 2016/679, at the beginning of each questionnaire it was stated that “by answering the anonymous questionnaire, the participants authorize the processing of the data collected for educational, research and statistical purposes”.
: Not applicable.
: The authors declare that they have no competing interests.