1. Department of Pathology; Peritoneal Malignancy Institute; Basingstoke UK
2. Service d'Anatomie et Cytologie Pathologiques; Université de Caen-Normandie; Caen France
3. Professional Pathology Services; PC; Columbia, SC USA
4. Département de Biologie et de Pathologie Médicales; Institut Gustave Roussy; Villejuif France
5. Department of Histopathology; Royal London Hospital; London UK
6. Department of Pathology; University of Mississippi Medical Center; Jackson MS USA
7. University of Calgary and Calgary Laboratory Services; Calgary Canada
8. Service d'Anatomie Pathologique; RENAPE, Centre Hospitalier Lyon Sud; Pierre-Bénite France
9. First Division of Pathology; Department of Pathology and Laboratory Medicine; IRCCS Foundation National Cancer Institute; Milan Italy
10. Department of Pathology; Massachusetts General Hospital; Boston MA USA
11. Department of Pathology; University of Pittsburgh Medical Center; Pittsburgh PA USA
12. Department of Pathology; University College London; London UK
13. Frederick National Laboratory for Cancer Research; National Cancer Institute; Rockville MD USA
14. Department of Pathology; Erasmus Medical Centre; Rotterdam The Netherlands
15. Department of Pathology and Laboratory Medicine; Weill Cornell Medicine; New York NY USA