Affiliation: | 1. Fetal Medicine Unit-SAMID, Department of Obstetrics and Gynaecology, Hospital Universitario “12 de Octubre”, Universidad Complutense de Madrid, Madrid, Spain;2. Pediatric Heart Institute, Department of Pediatrics, Hospital Universitario “12 de Octubre”, Madrid, Spain;3. Neonatology Unit-SAMID, Department of Pediatrics, Hospital Universitario “12 de Octubre”, Madrid, Spain |