1. Department of Pathology University of Oslo Oslo University Hospital Oslo Norway
2. International Collaboration on Cancer Reporting Sydney New South Wales Australia
3. Department of Pathology University Medical Centre Utrecht Utrecht University UtrechtThe Netherlands
4. Department of Pathology Radboud University Medical Centre Nijmegen The Netherlands
5. Department of Pathology Royal Liverpool University Hospital Liverpool UK
6. Department of Surgery University of Colorado Denver Anschutz Medical Campus Aurora CO USA
7. Institute of Pathology University Hospital Düsseldorf Medical Faculty of Heinrich Heine University Düsseldorf Düsseldorf Germany
8. Department of Histopathology Royal Free Hospital London UK
9. Department of Pathology Jichi Medical University Tochigi Japan
10. Sydney Medical School The University of Sydney Sydney New South WalesAustralia
11. Cancer Diagnosis and Pathology Group Kolling Institute of Medical Research St Leonards New South WalesAustralia
12. NSW Health Pathology Department of Anatomical Pathology Royal North Shore Hospital St Leonards New South Wales Australia
13. Department of Pathology University of California San Francisco CA USA
14. Department of Tissue Pathology and Diagnostic Oncology Royal Prince Alfred Hospital New South Wales Health Pathology Camperdown New South Wales Australia
15. Department of Pathology and Laboratory Medicine Emory University Hospital Atlanta GA USA
16. Department of Gastroenterology and Medical Oncology Hôpital Erasme BrusselsBelgium
17. Laboratory of Experimental Gastroenterology Université Libre de Bruxelles Brussels Belgium
18. Division of Anatomic Pathology Vancouver General Hospital Vancouver British ColumbiaCanada
19. Department of Pathology and Laboratory Medicine University of British Columbia Vancouver British Columbia Canada
20. Department of Pathology, Microbiology, and Immunology Vanderbilt University Medical Centre Nashville TN USA