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;

How to develop and evaluate consensus documents: Methods and checklists María Aparicio Rodrigo; Paz González Rodríguez; Nieves Balado Insunza; Garazi Fraile Astorga; Pilar Aizpurua Galdeano; Carlos Ochoa Sangrador;

Pediatric research in Spain: Challenges and opportunities Laura Moreno-Galarraga; Cesar Gracía Vera; Irene Rivero-Calle; Federico Martinón-Torres; Ignacio Diez López; Fernando Cabañas; Cristina Calvo;