1 Department of Physical Education and Sports, Rey Juan Carlos University, Madrid, Spain.
2 Department of Didactics of Languages, Arts and Physical Education, Complutense University of Madrid, Madrid, Spain.
3 Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD), University of Maia (ISMAI), Maia, Portugal.
4 Department of Sport Sciences, Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD), Universidade da Beira Interior, Covilhã, Portugal.
5 Portugal Football School, Portuguese Football Association, Federação Portuguesa de Futebol (FPF), Covilha, Portugal.