1. Department of Health Sciences; University of Eastern Piedmont; Novara Italy
2. Division of Pathology; Department of Medical Sciences; University of Turin; Turin Italy
3. Center For Translational Genomics and Bioinformatics; IRCCS San Raffaele Hospital; Milan Italy
4. Unit of Thoracic Surgery; Maggiore della Carità Hospital; Novara Italy
5. Unit of Pathology; Maggiore della Carità Hospital; Novara Italy