1. Department of Physical Education & Sport Science, University of Thessaly, Trikala, Greece
2. Physical Education Teacher, Directorate of Secondary Education of Attica, Athens, Greece
3. PhD Holder from Department of Physical Education & Sport Science, Democritus University of Thrace, Komotini, Greece
4. Department of Physical Education & Sport Science, Democritus University of Thrace, Komotini, Greece