1 DPUO, Department of Pediatrics-University of Rome Tor Vergata/ Bambino Gesù Children Hospital, IRCCS, Piazza Sant’Onofrio 4, Rome, 00165, Italy
2 Department of Clinical Molecular Medicine, University “La Sapienzaâ€, Rome, Italy
3 Department of Pathology, Bambino Gesù Children Hospital, IRCCS, Rome, Italy
4 Department of Pediatrics, Unit of Dermatology, Bambino Gesù Children Hospital, IRCCS, Rome, Italy