1. Department of Translational Medical Sciences, Section of Pediatrics, University of Naples Federico II, Naples, Italy
2. Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Naples, Italy
3. Department of Translational Medical Sciences, Section of Clinical Immunology, University of Naples Federico II, Naples, Italy
4. Department of Clinical Medicine and Surgery, Section of Dermatology, University of Naples Federico II, Naples, Italy
5. Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland