1. Department of Pathology Centre Hospitalier Universitaire de Tours, Université de Tours Tours France
2. “Biologie des infections à polyomavirus” Team UMR INRA ISP 1282, Université de Tours Tours France
3. CARADERM Network Lille 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. Department of Pathology, APHP Hôpital Saint Louis Université Paris 7 Paris France
7. Department of Pharmacology and Solid Tumor Genomics, Saint Louis Hospital Paris University AP‐HP Paris France
8. Faculté de Médecine Université Paris Cité Paris France
9. Department of Pathology, Hôpital Cochin AP‐HP.Centre‐Université Paris Cité Paris France
10. Department of Dermatopathology, St John's Institute of Dermatology St Thomas's Hospital London UK
11. Department of Pathology Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital Tokyo Japan
12. Department of Diagnostic Pathology Shizuoka Cancer Center Hospital Sunto Japan
13. Department of Diagnostic Pathology and Cytology Osaka International Cancer Institute Osaka Japan
14. Department of Dermatology Hyogo Cancer Center Akashi Japan
15. Department of Pathology Hospital Center of Orléans Orléans France
16. Department of Pathology University hospital of Poitiers Poitiers France
17. Department of Pathology Timone University Hospital Marseille France
18. Department of Pathology Cypath Dijon France
19. Department of Pathology Cypath Lyon France
20. Dermatology Clinic Hôpitaux Universitaires & Université de Strasbourg, Hôpital Civil Strasbourg France
21. Department of Pathology APHP Hôpital Saint Louis, INSERM U976, Université Paris Cité 7 Paris France