1. Department of Pathology Université de Tours, Centre Hospitalier Universitaire de Tours Tours France
2. ‘Biologie des infections à polyomavirus’ Team, UMR INRA ISP 1282 Université de Tours Tours France
3. CARADERM Network Pau France
4. Department of Biopathology Center Léon Bérard Lyon France
5. Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Equipe Labellisée Ligue contre le Cancer Lyon France
6. Platform of Somatic Tumor Molecular Genetics Université de Tours, Centre Hospitalier Universitaire de Tours Tours France
7. Department of Pathology Centre Hospitalier Universitaire de Angers Angers France
8. Faculté de Médecine Paris Centre Santé University of Paris Paris France
9. Department of Pathology, Hôpital Cochin AP‐HP Centre‐Université de Paris Paris France
10. Department of Dermatopathology St John's Institute of Dermatology, St Thomas's Hospital London UK
11. Institute of Pathology Medical Faculty University of Ljubljana Ljubljana Slovenia
12. Department of Pathology Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital Tokyo Japan
13. Department of Diagnostic Pathology Shizuoka Cancer Center Hospital Sunto Japan
14. Department of Diagnostic Pathology and Cytology Osaka International Cancer Institute Osaka Japan
15. Department of Dermatology Hyogo Cancer Center Akashi Japan
16. Department of Pathology Jan Yperman Hospital Ieper Belgium
17. Department of Pathology, CHU Toulouse, Institut Universitaire du Cancer Toulouse Oncopole Université Toulouse III Paul Sabatier Toulouse France
18. Department of Pathology Centre Hospitalier Universitaire de Lyon Lyon France
19. Cabinet de Pathologie Wild Mulhouse France
20. Contades Office of Pathological Anatomy and Cytology Strasbourg France
21. Department of Pathology APHP Bichat Hospital Paris France
22. Service d'Anatomie et Cytologie Pathologiques Hopital Simone Veil Eaubonne France
23. ATALANTE Pathologie Rennes France
24. Centre Médical de Pathologie Compiegne France
25. Cabinet Mathurin Moreau Paris France
26. Department of Pathology Centre Hospitalier de Pau Pau France
27. Department of Plastic and Reconstructive Surgery Hôpital Haut‐Lévêque, Centre Hospitalier Universitaire de Bordeaux Pessac France
28. Department of Pathology Centre Hospitalier d'Angouleme Saint Michel France
29. Laboratoire de Cytologie et d'Anatomie Pathologiques le Bouscat France
30. Centre National de Dermatopathologie – La Roquette Paris France
31. Department of Dermatology Centre Hospitalier de Pau Pau France
32. Department of Dermatology, Venereology and Allergology University Hospital Würzburg Würzburg Germany
33. Department of Pathology Timone University Hospital Marseille France
34. Department of Pathology APHP Hôpital Saint Louis, Université Paris 7 Paris France
35. Dermatology Clinic Hôpitaux Universitaires & Université de Strasbourg, Hôpital Civil Strasbourg France
36. Department of Pathology Hôpital Haut‐Lévêque, CHU de Bordeaux Pessac France