1. Department of Surgical and Diagnostic Sciences, Pathology Unit, University of Genoa and IRCCS AUO S. Martino IST, Genoa, Italy
2. Department of Biomedical Sciences and Human Oncology, University of Turin, Turin, Italy
3. ARC-Net Research Centre and Department of Pathology and Diagnostics, University and Hospital Trust of Verona, Verona, Italy
4. Foundation IRCCS Policlinico S. Matteo, Clinical Epidemiology and Biometric Unit, Pavia, Italy
5. Department of Medicine, Surgical Pathology and Cytopathology Unit, University of Padua, Padua, Italy