Ethics approval and consent to participate
All procedures were approved by the Research Ethics Committee of the University of Thessaly, ref approval no. 39 (date of approval: 19/11/2020), the Ethics Com-mittee of the Department of Physical Education & Sport Science, ref approval no. 1701 (date of approval: 09/12/ 2020) and the ethical review board of Northwest and Central Switzerland, ref approval no. AO_2020-00036 (date of approval: 26/11/2020). Prior to data assessment, all participants signed written informed consent.