Age of smartphone access: implications for problematic internet use and online risk behaviors Patricia Gómez; Abel Nogueira-López; David Liñares; María Angustias Salmerón-Ruiz; Antonio Rial-Boubeta;

Seasonal influenza vaccination in childhood and adolescence. Consensus of the AEV, CAV-AEP and SEIP Javier Alvarez Aldeán; Francisco José Alvarez García; Marta Cruz Cañete; María Fernández Prada; Laura Francisco González; Ana María Grande Tejada; Antonio Iofrío de Arce; Alejandra Méndez Sánchez; Fernando Moraga Llop; Ignacio Salamanca de la Cueva;

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;