Trends in child and adolescent mental health in Catalonia in the context of the COVID-19 pandemic during the 2020¿2021 school year Elena Alcover Bloch; Anna Gatell Carbó; Josep Vicent Balaguer Martínez; Tomás Pérez Porcuna; Olga Salvadó Juncosa; Emilio Fortea Gimeno; Patricia Álvarez Garcia;

Predictive capacity for breastfeeding and determination of the best cut-off point for the breastfeeding self-efficacy scale-short form Josep Vicent Balaguer-Martínez; Rubén García-Pérez; Ana Gallego-Iborra; Elena Sánchez-Almeida; María Dolores Sánchez-Díaz; Edurne Ciriza-Barea;

Impact of screen and social media use on mental health Lefa S. Eddy Ives; Abigail Huertas Patón; María Azul Forti Buratti; Julio Álvarez Pitti; María Angustias Salmerón-Ruiz; Pedro Javier Rodríguez Hernández; Matias Real-López;