1. Institute of Biomedicine and Molecular Immunology “Alberto Monroy”National Research Council (CNR) Palermo Italy
2. Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”Histopathology and Immunohistochemistry Laboratory Palermo Italy
3. Tumor Immunology Unit, Department of Health ScienceUniversity of Palermo Palermo Italy
4. Division of Pathology, Department of Laboratory MedicineKarolinska Institutet Stockholm Sweden
5. Department of Microbiology and ImmunologyBrody School of Medicine at East Carolina University Greenville North Carolina USA
6. Biomedic Department of Internal Medicine and SpecialtiesUniversity of Palermo Palermo Italy