1. AUSL della Romagna, Department of Oncology-Hematology, Ravenna, Italy
2. University Hospital of Siena, Medical Oncology and Immunotherapy, Center for Immuno-Oncology, Siena, Italy
3. University of Bologna, DIMES, Pathology, Bologna, Italy
4. AUSL della Romagna, Department of Pathology, Ravenna, Italy
5. Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCSS, Bioscences Laboratory, Meldola, Italy
6. University Hospital Basel, Institute of Pathology, Basel, Switzerland
7. Clinica San Carlo, Service of Pathology, Paderno Dugnano, Italy
8. RCCS MultiMedica, Thoracic Surgery, Sesto S.G., Italy