[1] Univ Federico II, Dept Translat Med Sci, Pediat Sect, Via Pansini 5, Naples, Italy
[2] Santobono Pausilipon Hosp Naples, Via Posillipo 226, Naples, Italy
[3] Univ Campania Luigi Vanvitelli, Neonatal Intens Care Unit, Naples, Italy
[4] Imperial Coll London, Ctr Perinatal Neurosci, London, England
[5] Dei Colli Hosp, Neonatal Intens Care Unit, Naples, Italy