1. Department of Biomedical and Dental Sciences and Morpho Functional Imaging, Postgraduate Medical School of Preventive Medicine and Hygiene, University of Messina, 98121 Messina, Italy
2. Medical Oncology Unit, Department of Human Pathology “G. Barresi”, University of Messina, 98122 Messina, Italy
3. Local Health Unit of Messina, 98123 Messina, Italy
4. Department of Biomedical and Dental Sciences and Morpho Functional Imaging, University of Messina, 98124 Messina, Italy