Correction: Evaluating the effectiveness of integrating biofeedback in the treatment of aggressive outbursts (BRET-IA2): A study protocol

• Alberto J. Molina-Cantero, 
• Isabel Rojas-Pérez, 
• Montserrat Gómez de Terreros-Guardiola, 
• Isabel Gómez-González, 
• José C. Vidosa-Batllés, 
• Teresa de Jesús Bermejo-González, 
• Manuel Merino-Monge