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;

Evidence-based medicine: 5 steps to navigate uncertainty Rafael Martín-Masot; Carlos Ochoa Sangrador; Jaime Javier Cuervo Valdés; Carolina Blanco Rodríguez; Paz González Rodríguez; Javier González de Dios;

Recommendations for the safe use of high-risk medications in pediatrics María José Otero; Belén Rodríguez Marrodan; Nuria Prieto Santos; Enrique Villalobos Pinto; Silvia Manrique Rodríguez; Rebeca Padilla Peinado; Cecilia M. Fernández-Llamazares; Aurora Madrid Rodríguez;