1. Department of Biomedical and Biotechnological Sciences, Laboratory of Translational Oncology and Functional Genomics, Section of General and Clinical Pathology and Oncology, University of Catania, Catania, Italy
2. Oncological Pathology Unit, ASP, Catania, Italy
3. Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC, USA
4. Department of Systems Medicine, Chair of Medical Oncology, Tor Vergata University of Rome, Rome, Italy
5. Department of Clinical and Experimental Medicine, University of Catania, Medical Angiology Unit, Garibaldi Hospital, Catania, Italy
6. Unit of Epidemiology, ‘Fondazione G. Pascale’, Istituto Nazionale Tumori, Naples, Italy