1. Department of Cellular Pathology; Royal Free London NHS Foundation Trust; London UK
2. Department of Cellular Pathology; UCL Medical School; Royal Free Campus; London UK
3. Department of Anatomic Pathology; University of California; San Francisco CA USA
4. Department of Pathology and Laboratory Medicine; Hofstra North Shore-LIJ School of Medicine; Manhasset NY USA
5. Department of Pathology; University of São Paulo School of Medicine; São Paulo Brazil
6. Inserm U1053; Université Bordeaux2; Bordeaux France
7. Department of Pathology; University of Melbourne; Melbourne Victoria Australia
8. Department of Pathology; Hopital Pellegrin; Bordeaux France
9. Section of Anatomic Pathology; Department of Medicine-DIMED; University of Padova; Padova Italy
10. Department of Pathology; Aristotle University Medical School; Thessaloniki Greece
11. Department of Human Pathology; Kanazawa University Graduate School of Medicine; Kanazawa Japan
12. Laboratoire d'Anatomie Pathologique; Hopital Beaujon; Clichy France
13. Institute of Liver Studies; King's College Hospital; London UK
14. Department of Pathology; Fairview Southdale Hospital; Edina MN USA
15. Division of Digestive Diseases; Beth Israel Medical Center; New York NY USA
16. Department of Pathology; Mount Sinai School of Medicine; New York NY USA
17. Department of Pathology; Caritas Medical Centre; Hong Kong China
18. Onze Lieve Vrouwe Gasthuis; Amsterdam the Netherlands
19. Department of Gastroenterology and Hepatology; Geisel School of Medicine at Dartmouth; Hanover NH USA