Effects of video-guided active breaks with curricular content on mental health and classroom climate in chilean schoolchildren aged 6 to 10: study protocol for a multicentre random... oleh Rafael Zapata-Lamana, Rafael Zapata-Lamana, Rafael Zapata-Lamana, Alejandra Robles-Campos, Daniel Reyes-Molina, Daniel Reyes-Molina, Jorge Rojas-Bravo, Pedro Salcedo Lagos, Yasna Chávez-Castillo, Jorge Gajardo-Aguayo, Jorge Gajardo-Aguayo, Jacqueline Valdebenito Villalobos, Ana María Arias, Cristian Sanhueza-Campos, Jessica Ibarra Mora, Tomás Reyes-Amigo, Carlos Cristi-Montero, David Sánchez-Oliva, Abel Ruiz-Hermosa, Mairena Sánchez-López, Felipe Poblete-Valderrama, Carlos Celis-Morales, Carlos Celis-Morales, Miquel Martorell, Miquel Martorell, Fernanda Carrasco-Marín, Javier Albornoz-Guerrero, María Antonia Parra-Rizo, María Antonia Parra-Rizo, Igor Cigarroa