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 randomized controlled trial

• Rafael Zapata-Lamana
• Alejandra Robles-Campos
• Daniel Reyes-Molina
• Jorge Rojas-Bravo
• Pedro Salcedo Lagos
• Yasna Chávez-Castillo
• Jorge Gajardo-Aguayo
• Jacqueline Valdebenito Villalobos
• Ana María Arias
• 13 more
• Igor Cigarroa