1. Division of Thoracic Surgery IRCCS Sacro Cuore Don Calabria Hospital Verona Italy
2. Division of Pathological Anatomy IRCCS Sacro Cuore Don Calabria Hospital Verona Italy
3. Division of Thoracic Surgery University Hospital of Parma Parma Italy
4. Division of Thoracic Surgery University Hospital of Pisa Pisa Italy
5. Division of Thoracic Surgery University of Insubria Varese Italy
6. Department of General Thoracic Surgery, Fondazione Policlinico "A.Gemelli" ‐ Catholic University of Sacred Heart Rome Italy
7. Division of Thoracic Surgery Clinica Universidad de Navarra Madrid Spain
8. Division of Thoracic Surgery University of Torino Torino Italy
9. Division of Thoracic Surgery Cantonal Hospital Lucerne Lucerne Switzerland
10. Division of Pathological Anatomy University Hospital of Parma Parma Italy
11. Division of Pathological Anatomy University of Insubria Varese Italy
12. Division of Pathological Anatomy, Fondazione Policlinico "A.Gemelli" ‐ Catholic University of Sacred Heart Rome Italy
13. Division of Pathological Anatomy Azienda USL di Reggio Emilia‐IRCCS Reggio Emilia Italy
14. Division of Thoracic Surgery Azienda USL di Reggio Emilia‐IRCCS Reggio Emilia Italy