1. 1Department of Medicine and Surgery, Thoracic Surgery Unit, University of Salerno, Italy
2. 2Department of Medicine and Surgery, Pathology Unit, Federico II University of Naples, Italy
3. 3Department of Medicine and Surgery, Pathology Unit, University of Salerno, Italy
4. 4Respiratory Disease Unit, A.O.U. “S. Giovanni di Dio & Ruggi D’Aragona”, Salerno, Italy
5. 5Hematology and Transplant Center, Department of Medicine and Surgery, University of Salerno, Salerno, Italy
6. 6Department of Medicine and Surgery, Section of Respiratory Diseases, University of Salerno, Salerno, Italy
7. 7Department of Medicine and Surgery, University of Salerno, Baronissi, 84081 Salerno, Italy
8. 8Department of Medicine and Surgery, University of Salerno, Baronissi Campus, Via S. Allende, 84081 Baronissi, Salerno, Italy