1. Department of Economics, Engineering, Society and Business Organization (DEIM), University of Tuscia, 01100 Viterbo, Italy
2. Department of Human Sciences, Università Telematica Degli Studi IUL, 50122 Florence, Italy
3. Department of Rehabilitation, Faculty of Medicine, University of Ostrava, 00183 Rome, Italy
4. Faculty of Physical Education and Sport, Ovidius University of Constanta, 900029 Constanta, Romania