[1] IRCCS AOU San Martino, IST, Ist Nazl Ric Canc Genova, Div Histopathol & Cytopathol, San Martino Buon Albergo, Italy
[2] ASL5, Div Histopathol & Cytopathol, La Spezia, Italy
[3] ASL5, Div Pneumol, La Spezia, Italy
[4] IRCCS AOU San Martino, IST, Ist Nazl Ric Canc Genova, Unit Tumor Epigenet, San Martino Buon Albergo, Italy