1 Neonatal Intensive Care Unit, University Hospital of Modena, Modena, Italy.
2 PhD Program in Clinical and Experimental Medicine, University of Modena and Reggio Emilia, Modena, Italy.
3 Pediatric Postgraduate School, University of Modena and Reggio Emilia, Modena, Italy.
4 Pediatric Unit, Department of Medical and Surgical Sciences of Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy.
5 Obstetrics and Gynecology Unit, Department of Medical and Surgical Sciences of Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy.