1. ARC-Net Research Centre; University and Hospital Trust of Verona; Verona Italy
2. Department of Diagnostics and Public Health, Section of Pathology; University and Hospital Trust of Verona; Verona Italy
3. Department of Pathology; Tokai University School of Medicine; Isehara Japan
4. Institute of Pathology, Heinrich-Heine-University and University Hospital of Düsseldorf; Düsseldorf Germany
5. Department of Surgery, General Surgery B; University of Verona; Verona Italy
6. Section of Anatomic Pathology; Azienda Ospedaliera Rovigo; Rovigo Italy
7. Department of Pathology and Laboratory Medicine; Showa University Fujigaoka Hospital; Yokohama Japan
8. Department of Pathology; The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine; Baltimore MD USA
9. Department of Pathology; Technical University Munich; Munich Germany
10. Division of Pathology; Sacro Cuore-Don Calabria Hospital; Negrar Italy