1. Faculty of Health Sciences, Valencian International University (VIU), 46002 Valencia, Spain
2. Neonatology Unit, Hospital Clinic de Barcelona, Grup de Recerca Infancia i Entorn (GRIE), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
3. Department of Neonatology, Hospital Clínic-Maternitat, ICGON, BCNatal, 08028 Barcelona, Spain