1. Department of Educational Leadership, Sport Studies and Educational/Counseling Psychology, Washington State University, Pullman, WA, USA
2. Inspectorate of the Republic of Slovenia for Education and Sport, Ljubljana, Slovenia
3. University of Bordeaux, CFIUP Sport & Management, Bayonne Cedex, France
4. Macromedia University of Applied Sciences, Media School, Hamburg, Germany
5. Institute of Sociology, Adam Mickiewicz University, Poznań, Poland