Epidemiology and risk factors for bronchopulmonary dysplasia in preterm infants born at or less than 32 weeks of gestation Andrea Sucasas Alonso; Sonia Pértega Diaz; Rebeca Sáez Soto; Alejandro Avila-Alvarez;

Survey on the practice of skin-to-skin contact in Spanish neonatal units during the first days of life. Influence of the presence of umbilical catheters Alicia Montaner-Ramón; Laura Merayo Fernández; Inmaculada Cosmo García; Elena Carrillo Messa; Fátima Camba Longueira;

Increasing trend in patients with life-limiting and complex chronic conditions Javier Ochoa-Brezmes; Pablo del Villar Guerra; Jesús Andrés de Llano; Jesús Manuel Marugán de Miguelsanz;