Association between attention-deficit/hyperactivity symptoms and sleep in preschoolers Rita Gomes; Bebiana Sousa; Diana Gonzaga; Catarina Prior; Marta Rios; Inês Vaz Matos;

Vaccination against influenza: Coverage and adherence in children under 15 years with high-risk medical conditions in the Community of Madrid Rosa S. Díaz-García; Amaya Sánchez-Gómez; María Alejandra López-Zambrano; María Dolores Esteban-Vasallo; Soledad Cañellas Llabrés; María Ángeles Gutiérrez Rodríguez; María Dolores Lasheras Carbajo;

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;