1. Department of Translational Research, Institut Curie, Unit of Formation and Research of Medicine University of Paris, Paris, France
2. Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia
3. Division of Dermatology, Department of Medicine, University of Washington School of Medicine, Seattle
4. Dermatopathology Northwest, Bellevue, Washington
5. Pathology Associates, Clovis, California
6. Department of Biostatistics, University of Washington School of Medicine, Seattle
7. Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles
8. Departments of Pathology and Dermatology, University of California, San Francisco
9. Department of Pathology, Division Laboratories, Pharmacy and Biomedical Genetics University Medical Center Utrecht, Utrecht, the Netherlands
10. Departments of Dermatology, Pathology, and Immunobiology, Yale School of Medicine, New Haven, Connecticut
11. Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
12. Cellular Pathology, South Warwickshire NHS Trust, Warwick, United Kingdom
13. Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at University of California, Los Angeles
14. Department of Histopathology, Royal Surrey NHS Foundation Trust, Guildford, United Kingdom
15. Pathology Service, Massachusetts General Hospital, Harvard Medical School, Boston
16. Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
17. Department of Biopathology, Centre Léon Bérard, Lyon, France
18. University of Lyon, Université Claude Bernard Lyon 1, National Center for Scientific Research, Mixed Research Unit 5286, National Institute of Health and Medical Research U1052, Cancer Research Centre of Lyon, Lyon, France
19. Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
20. Department of Pathology, Sahlgrenska University Hospital, Gothenburg, Sweden
21. Department of Anatomic Pathology, Cleveland Clinic, Cleveland, Ohio
22. Department of Pathology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
23. Departments of Pathology, Dermatology, and Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston
24. Departments of Pathology and Dermatology, University of Michigan, Ann Arbor
25. Section of Pathology, Department of Health Sciences, University of Florence, Florence, Italy
26. Departments of Pathology and Cutaneous Oncology, Moffitt Cancer Center, Tampa, Florida
27. Department of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland
28. Departments of Pathology and Dermatology, Emory University School of Medicine, Atlanta, Georgia
29. Department of Pathology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
30. Department of Dermatology, University of Chicago Medicine, Chicago, Illinois
31. Charles Perkins Centre, The University of Sydney, Sydney, Australia
32. Melanoma Institute Australia, The University of Sydney, Sydney, Australia
33. Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
34. Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, Australia
35. Tufts University, Boston, Massachusetts
36. Lahey Clinic, Burlington, Massachusetts
37. Dermatopathology Consultations, Needham, Massachusetts