1. Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece;
2. Intensive Care Unit, 424 General Military Hospital of Thessaloniki, Thessaloniki, Greece;
3. Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus;
4. Department of Physical Education and Sport Science, University of Thessaly, Karies, Trikala, Greece