1. Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Greece
2. Department of Physical & Cultural Education, Evelpidon Hellenic Military Academy, Vari, Greece
3. Department of Physical Education and Sport Science, Democritus University of Thrace, Komotini, Greece
4. Department of Physical Education and Sport Sciences of Serres, Aristotle University of Thessaloniki, Serres, Greece