1. Department of Clinical and Experimental Biomedical Sciences, Careggi University Hospital, Florence, Italy
2. Department of Radiodiagnostic and Emergency, Careggi University Hospital, Florence, Italy
3. Department of Pathology, Careggi University Hospital, Florence, Italy
4. Thoracic Surgery Unit, Careggi University Hospital, Florence, Italy
5. Subintentive Medicine Section, Careggi University Hospital, Florence, Italy