1. Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, 00165 Rome, Italy
2. PhD Course in Microbiology, Immunology, Infectious Diseases, and Transplants (MIMIT), Faculty of Medicine and Surgery, “Tor Vergata” University of Rome, 00133 Rome, Italy
3. Neonatal Sub-Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, 00165 Rome, Italy
4. Infectious Disease Clinic, Policlinico “Tor Vergata” University Hospital, 00133 Rome, Italy
5. Department of System Medicine, “Tor Vergata” University of Rome, 00133 Rome, Italy
6. Pediatrics Department, Saint Camillus International University of Health Sciences, 00131 Rome, Italy
7. Casa di Cura Villa Margherita, 00161 Rome, Italy