Received: 16 November 2021
Accepted: 28 January 2022
First Online: 2 February 2022
: The research study was approved by the Ethics Committee of the University of Thessaly (308ΣΕ2/27-01-2020) stating that the research proposal is in accordance to the international principles of ethical practice and ethics which are in line with the value of respect for the volunteers who will participate. All participants and their parents provided a written consent form.
: Not applicable.
: The authors declare that they have no competing interests.