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;

The importance of understanding how our laboratory measures serum creatinine Susana Ferrando-Monleón; Juan Marín-Serra; Amelia Peris-Vidal; Adela Pozo-Giráldez; Arturo Carratalá; Roberto Hernández-Marco;

A holistic perspective of the comorbidities in childhood obesity Rosa Herrera; Empar Lurbe;