1. Cellular Pathology Department; St Thomas’ Hospital; Guy's and St Thomas’ NHS Foundation Trust; London UK
2. Department of Clinical Cytology and Cytogenetics; Merkur University Hospital; Zagreb Croatia
3. Department of Pathology; Cochin Hospital; Paris France
4. Histopathology Department; Imperial College NHS Trust; Hammersmith Hospital; London UK
5. Department of Pathology; Fox Chase Cancer Center; Philadelphia PA USA
6. Department of Pathology and Medical Genetics; Trondheim University Hospital; Trondheim Norway
7. Department of Pathology; Gustave Roussy; Cancer Campus Grand Paris; Villejuif France
8. Department of Anatomical Pathology; St Vincent's Hospital; Sydney NSW Australia
9. Cytopathology Unit; Department of Pathology; Faculty of Medicine; Kuwait University; Kuwait Kuwait
10. Department of Clinical Cytology and Cytogenetics; Merkur University Hospital and School of Medicine; University of Zagreb; Zagreb Croatia
11. Laboratório de Anatomia Patológica; Hospital Beatriz Angelo; Loures Portugal
12. Department of Pathology; Institute of Oncology; Warsaw Poland
13. Department of Pathology and Cytology; Ankara Diskapi Teaching and Research Hospital; Ankara Turkey
14. Molecular Cytopathology Laboratory; Faculty of Medicine; AUTH; Hippokration Hospital; Thessaloniki Greece
15. Cytopathology Laboratory; Northwestern Memorial Hospital; Chicago IL USA
16. Institute of Pathology; Aahus University Hospital; Aarhus Denmark
17. Russian Medical Academy of Postgraduate Education; Moscow Russia
18. Institute of Molecular Pathology and Immunology of the University of Porto; Porto Portugal
19. Department of Laboratory Medicine and Pathobiology; Faculty of Medicine; University of Toronto; Toronto ON Canada
20. Institute of Cytology; University Hospital of Graz; Medical University of Graz; Graz Austria
21. Department of Histopathology; Monklands Hospital; Airdrie UK
22. Department of Pathology/Cytology; University Hospital of Pest County; Kistarcsa Hungary
23. Anatomia Patologica; University of Salerno; Salerno Italy