Methotrexate in juvenile idiopathic arthritis. Adverse effects and associated factors Estefanía Barral Mena; Luis Miguel García Cárdaba; Anna Canet Tarrés; Eugenia Enríquez Merayo; Alejandro Cruz Utrilla; Jaime de Inocencio Arocena;

Consensus document of the Spanish Society of Paediatric Infectious Diseases (SEIP) and the Spanish Society of Paediatric Intensive Care (SECIP) for the diagnosis and treatment of central venous catheter-related infections in paediatric care Jesús Saavedra-Lozano; María Slocker-Barrio; Elena Fresán-Ruiz; Carlos Grasa; Laura Martín Pedraz; Ana Menasalvas Ruiz; Mar Santos Sebastián;

Update of the consensus document on the aetiology, diagnosis and treatment of acute otitis media and sinusitis David López Martín; Roi Piñeiro Pérez; Leticia Martínez Campos; Josefa Ares Álvarez; Teresa de la Calle Cabrera; Ignacio Jiménez Huerta; Parisá Khodayar-Pardo; Pilar Lupiani Castellanos; Fernando Baquero-Artigao;