1. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
2. Medical Oncology Unit, Azienda Ospedaliero-Universitaria, Parma, Italy
3. Medical Oncology Unit, AUSL6, Istituto Toscano Tumori, Livorno, Italy
4. Medical Oncology Unit, AUSL12, Istituto Toscano Tumori, Lido di Camaiore, Italy
5. Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
6. Medical Oncology Unit 2, Azienda Ospedaliero-Universitaria, Pisa, Italy
7. Medical Oncology Unit, Ospedale Sacro Cuore, Negrar, Italy
8. Medical Oncolgy Unit, Ospedale Santa Maria della Misericordia, Urbino, Italy
9. ARC-NET Research Centre and Department of Pathology and Diagnostics, Azienda Ospedaliero-Universitaria, Verona, Italy
10. Lung Diseases Unit, Azienda Ospedaliero-Universitaria, Pisa, Italy