State of child and adolescent mental health during the first wave of the COVID-19 pandemic and at the beginning of the 2020¿2021 school year Anna Gatell-Carbó; Elena Alcover-Bloch; Josep Vicent Balaguer-Martínez; Tomás Pérez-Porcuna; María Esteller-Carceller; Patrícia Álvarez-Garcia; Emilio Fortea-Gimeno;

Physical, social, and emotional impact on patients with congenital heart disease undergoing cardiac catheterization Maricel Licht-Ardila; Alexandra Hurtado-Ortiz; Edgar Fabián Manrique-Hernández; Justo José Santiago Peña;

PACTA-Ped: Antimicrobial stewardship programme in a tertiary care hospital in Spain Serena Villaverde; José Manuel Caro; Sara Domínguez-Rodríguez; María Ángeles Orellana; Pablo Rojo; Cristina Epalza; Daniel Blázquez-Gamero;