1. General and Upper GI Surgery Division, Department of Surgery, University of Verona, Borgo Trento Hospital, Piazzale Stefani 1, 37124 Verona, Italy
2. Section of Gastrointestinal Surgery, Hospital Universitario del Mar, Hospital del Mar Medical Research Institute (IMIM), Department of Surgery, Universitat Autònoma de Barcelona, 08003 Barcelona, Spain
3. Department of Pathology, GROW School for Oncology and Reproduction, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
4. Institute of Clinical Pathology and Molecular Pathology, Kepler University Hospital and Johannes Kepler University, 4021 Linz, Austria
5. Department of Pathology, VieCuri Medical Centre, 5912 BL Venlo, The Netherlands
6. Pathology Unit, Morgagni-Pierantoni Hospital, 47100 Forlì, Italy
7. Department of Pathology, Hospital Universitario del Mar, Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain
8. Department of Pathology, Verona University Hospital, 37134 Verona, Italy
9. Department of Pathology, Medical Faculty of the University of Porto/Centro Hospitalar Universitário São João and Ipatimup/i3S, 4200-319 Porto, Portugal
10. Division of Pathology and Data Analytics, Leeds Institute of Medical Research at St. James’s, University of Leeds, Leeds LS2 9JT, UK
11. Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37126 Verona, Italy
12. Department of Digestive and Oncological Surgery, Lille University Hospital, 59000 Lille, France