Burnout syndrome in paediatricians working in paediatric emergency care settings. Prevalence and associated factors: a multilevel analysis Arístides Rivas-García; María Concepción Míguez-Navarro; Clara Ferrero-García-Loygorri; Rafael Marañón; Paula Vázquez-López;

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

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;