Update of the Spanish clinical practice guideline for urinary tract infection in infants and children. Summary of recommendations for diagnosis, treatment and follow-up Juan David González Rodríguez; Gloria María Fraga Rodríguez; César Joaquín García Vera; Andrés Gómez Fraile; Juan Ignacio Martín Sánchez; José María Mengual Gil; Carlos Ochoa Sangrador; Blanca Valenciano Fuentes; Joaquín Escribano Subías;

Advances in the treatment of cystic fibrosis: CFTR modulators Maria Dolores Pastor-Vivero; Jordi Costa i Colomer; Carlos Martín de Vicente; Saioa Vicente-Santamaria; Ruth Garcia Romero; David González Jiménez; Carmen Luna Paredes;

Diagnostic and therapeutic approach to spondylodiscitis in Spanish children through the RIOPed network: evaluation before and after the publication of the national consensus document Laura Martín Pedraz; Esmeralda Núñez Cuadros; María Belén Hernández; Rosa María Alcobendas Rueda; Jesús Saavedra-Lozano; Cristina Calvo Rey;