1. Institute of Sport, Tourism, and Service, South Ural State University Chelyabinsk, Chelyabinsk, Russia & Motor Action Research Group (GIAM), INDEST, Institut Nacional d'Educació Física de Catalunya (INEFC), University of Lleida (UdL), Lleida, Spain
2. University of La Laguna, Spain
3. University of Iceland, Reykjavik, Iceland