1. Neonatology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
2. Pediatric Surgery Unit, Hospital Spirito Santo, 65124 Pescara, Italy
3. Department of Diagnostic Imaging, Oncological Radiotherapy, and Hematology, Neuroradiology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
4. Neonatal Intensive Care Unit, Azienda Sanitaria Romagna, Infermi Hospital, 47923 Rimini, Italy
5. Pediatric Surgery Unit, Department of Medicine and Aging Science, “G. D’Annunzio University”, 66100 Chieti, Italy