1. Institute of Psychology, German Sport University, Cologne, Germany
2. School of Applied Sciences, London South Bank University, London, UK
3. School of Human Movement and Sport Sciences, The Academic College at Wingate, Wingate Institute, Netanya, Israel
4. Department of Business Administration, Ben-Gurion University of the Negev, Beer-Sheva, Israel
5. Faculty of Health Sciences, La Trobe University, Bundoora, Australia