1. Instituto Superiore di Sanità, Department of Infectious Parasitic and Immunomediated Diseases, Rome
2. Department of Oncology and Neurosciences, “G. d'Annunzio” University of Chieti, Chieti, Italy
3. Department of Biomorphology, Chieti, Italy, “G. d'Annunzio” University of Chieti, Chieti, Italy
4. Department of Biomedical Sciences, “G. d'Annunzio” University of Chieti, Chieti, Italy