1. Department of Pathology Johns Hopkins Hospital Baltimore Maryland
2. Department of Pathology Emory University Hospital Midtown Atlanta Georgia
3. Department of Pathology Loyola University Medical Center Maywood Illinois
4. Fimlab Laboratories Tampere Finland
5. Faculty of Medicine and Health Technology Tampere University Tampere Finland
6. Department of Pathology University of Kentucky College of Medicine Lexington Kentucky
7. Department of Pathology University of Michigan Ann Arbor Michigan
8. Department of Pathology Catholic University of Sacred Heart University Rome Italy
9. Department of Pathology Brigham and Women's Hospital Boston Massachusetts
10. Department of Pathology Moffitt Cancer Center Tampa Florida
11. Department of Pathology A. C. Camargo Cancer Center São Paulo Brazil
12. Department of Pathology Laiko Hospital Athens Greece
13. Department of Pathology University of Messina Messina Italy
14. Department of Otolaryngology Johns Hopkins Hospital Baltimore Maryland
15. Department of Public Health University of Naples Federico II Naples Italy
16. Department of Pathology Virginia Commonwealth University Health System Richmond Virginia
17. Department of Pathology Boston Children's HospitalHarvard Medical School Boston Massachusetts
18. HCA Laboratories HCA Healthcare London United Kingdom
19. Department of Pathology Guy's and St. Thomas' Hospital NHS Foundation Trust London United Kingdom
20. Department of Pathology Hospital of the University of Pennsylvania Philadelphia Pennsylvania
21. Department of Pathology Massachusetts General Hospital Boston Massachusetts
22. Department of Pathology and Laboratory Medicine David Geffen School of Medicine University of California Los Angeles Los Angeles California
23. Department of Pathology São Paulo Federal University São Paulo Brazil
24. Department of Pathology Curie Institution Paris France