1. Institute of Sport Science, Otto-von-Guericke-University, Magdeburg, Germany
2. Faculty of Physical Education, University of Assiut, Assiut, Egypt
3. Research Unit (EM2S), High Institute of Sport and Physical Education, Sfax University, Tunisia
4. Institute of Sports Science, University of Konstanz, Konstanz, Germany
5. Institute of Sport and Sports Science, University of Karlsruhe, Karlsruhe, Germany