1. Faculty of Finance and Management, WSB University in Wrocław, Wrocław, Poland
2. Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
3. Faculty of Management and Social Communication, Jagiellonian University, Kraków, Poland
4. Faculty of Economics and Management, University of Zielona Góra, Zielona Góra, Poland
5. Institute of Management Collegium of Management and Finance, SGH Warsaw School of Economics, Warsaw, Poland