Origins of relative age effects in youth football - A nationwide analysis - Romann, M.; Rüeger, E.; Hintermann, M.; Kern, R.; Faude, O. (Frontiers in Sports and Active Living, 2020)
Keywords: soccer; youth; juniors; Switzerland; age; performance development; junior elite sport; long-term performance build-up; playing position (sport games); relative age effect; junior sports; sport games