1. Department of Pathology Cytopathology Division Northwestern University Feinberg School of Medicine Chicago Illinois
2. Gaziosmanpasa Training and Research Hospital Istanbul Turkey
3. Department of Pathology David Geffen School of Medicine at UCLA Los Angeles California
4. Department of Pathology Fondazione Policlinico Universitario “Agostino Gemelli,” IRCCS Universita' Cattolica Rome Italy
5. Department of Pathology University of Pennsylvania Philadelphia Pennsylvania
6. Loyola University Healthcare System Maywood Illinois
7. Department of Pathology McGill University Montreal Quebec Canada
8. Universidade Federal de São Paulo (UNIFESP) São Paulo Brazil
9. Cancer Signaling and Metabolism, Instituto de Investigação e Inovação em Saúde University of Porto Porto Portugal
10. Division of Cytopathology Department of Pathology Acibadem University Istanbul Turkey
11. HCA Laboratories HCA Healthcare UK London United Kingdom
12. Department of Pathology St. Vincent Hospital Sydney Australia
13. Cleveland Clinic Foundation Cleveland Ohio
14. Department of Pathology and Laboratory Medicine Temple University Hospital Philadelphia Pennsylvania
15. Department of Pathology Duke University Medical Center Durham North Carolina
16. Department of Pathology and Laboratory Medicine University of Wisconsin School of Medicine and Public Health, State Laboratory of Hygiene Madison Wisconsin
17. Department of Pathology and Anatomical Services University of Missouri Columbia Missouri
18. Department of Pathology Memorial Sloan‐Kettering Cancer Center New York New York
19. Division of Cytopathology Department of Pathology The Johns Hopkins Hospital Baltimore Maryland
20. Department of Cellular Pathology Royal Free Hospital London United Kingdom
21. Department of Pathology Laboratoire National de Santé Dudelange Luxembourg
22. Department of Pathology and Laboratory Medicine Robert Wood Johnson Medical School Rutgers University New Brunswick New Jersey
23. Department of Pathology and Laboratory Medicine Mayo Clinic Scottsdale Arizona
24. Department of Pathology Massachusetts General Hospital Harvard School of Medicine Boston Massachusetts