1. Department of Neonatology , Neonatal Intensive Care Unit, Bambino Gesù Children’s Hospital , Rome , Italy
2. Neonatal Intensive Care Unit, G. d’Annunzio University of Chieti , Chieti , Italy
3. Center for Advances Studies and Technology (CAST), G. d’Annunzio University , Chieti , Italy
4. Laboratory of Clinical Pathology, SS Annunziata Hospital , Chieti , Italy
5. Department of Pediatrics and Neonatology , Maastricht University , Maastricht , The Netherlands
6. Magna Graecia University , Catanzaro , Italy
7. Department of Maternal, Fetal and Neonatal Medicine , SS Antonio, Biagio and C. Arrigo Hospital , Alessandria , Italy
8. Department of Pediatrics and Neonatology , Ospedale Cardinal Massaia , Asti , Italy
9. Social Security Administration Development and Promotion of Scientific Research Unit, SS Antonio, Biagio and C. Arrigo Hospital , Alessandria , Italy
10. Department of Clinical Biochemistry , Transfusion and Regeneration Medicine Alessandria Hospital , Alessandria , Italy