The relative age effect is larger in Italian soccer top-level youth categories and smaller in Serie A - Brustio, P. R.; Lupo, C.; Ungureanu, A. N.; Frati, R.; Rainoldi, A.; Boccia, G. (PLOS ONE, 2018)
Keywords: age; performance; soccer; junior elite sport; elite sport; Italy; male; relative age effect; USA; junior sports; sport games