1. Department of Oncology and Haematology; Respiratory Diseases Clinic; University Hospital Policlinico of Modena; Modena Italy
2. Department of Oncology and Advanced Technologies; Operative Unit of Pathologic Anatomy; Azienda Arcispedale S. Maria Nuova/IRCCS; Reggio Emilia Italy
3. Operative Unit of Pulmonology; Civic Hospital; Mirandola Italy
4. Department of Diagnostic Laboratories; Section of Pathologic Anatomy; University Hospital Policlinico of Modena; Modena Italy
5. Operative Unit of Pulmonology; Azienda Arcispedale S. Maria Nuova/IRCCS; Reggio Emilia Italy
6. Operative Unit of Pulmonology; Civic Hospital; Sassuolo Italy