P663Normalization of T-wave inversion in children practising sport: a prospective, 4-year follow-up study. (28th August 2018) - D'Ascenzi, F; Anselmi, F; Berti, B; Capitani, E; Franchini, A; Graziano, F; Focardi, M; Capitani, M; Corrado, D; Bonifazi, M; Mondillo, S