1. Department of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece
2. School of Informatics, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
3. Department of Agribusiness and Supply Chain Management, Agricultural University of Athens, 32200 Thiva, Greece
4. Hellenic Center for Marine Research, Institute of Marine Biological Resources and Inland Waters, 19013 Anavyssos, Greece
5. Department of Physical Education and Sport Science, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
6. School of Social Sciences, Hellenic Open University, 26335 Patras, Greece