Soccer and national culture: estimating the impact of violence on 22 lads after a ball

Andrés Nicolás Herrera-Rojas, David Camilo López-Valenzuela, Juan José Ospina-Tejeiro, Jesús Antonio Bejarano-Rojas

Jaime Alfredo Bonet-Moron, Yuri Carolina Reina-Aranza, Adriana Ortega, Ana Rosa Polanco

Juan Sebastián Mariño-Montaña, Daniela Rodriguez-Novoa, Camilo Eduardo Sánchez-Quinto