1 Audiology Section "Federico II", Department of Neuroscience, Reproductive Sciences and Dentistry Department, University of Naples Federico II, Via Pansini 5, 80131, Naples, Italy.
2 Division of Neonatology, Department of Translational Medical Sciences, University of Naples Federico II, Via Pansini 5, 80131, Naples, Italy. serena.salome@unina.it.
3 Unit of Otorhinolaringology, Hospital San Leonardo, Castellammare di Stabia, Italy.
4 Division of Neonatology, Department of Translational Medical Sciences, University of Naples Federico II, Via Pansini 5, 80131, Naples, Italy.