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;

Trends in hospitalization for urinary tract infection in the paediatric age group in the 2000¿2015 period in Spain Jesús Redondo Sánchez; Alberto Manuel Domínguez Lázaro; Ricardo Rodríguez Barrientos; Jaime Barrio Cortes; Andrea Seoane Sanz; Juan Bravo Acuna; Isabel del Cura-González;

Frequency, risk and impact measures in epidemiology Carlos Ochoa Sangrador; Eduardo Ortega Páez; Manuel Molina Arias; Fernando Carvajal Encina; Eduardo Cuestas Montañes;