1. Dermatology Department; AP-HP; Henri Mondor Hospital; 51 Avenue du Maréchal de Lattre de Tassigny 94000 Créteil France
2. Dermatology Department; AP-HP, and INSERM U976 Saint-Louis Hospital; Paris France
3. Cutaneous Lymphoma French Study Group (GFELC); Paris France
4. Pathology Department; AP-HP; Henri Mondor Hospital; 51 Avenue du Maréchal de Lattre de Tassigny 94000 Créteil France
5. Laboratory of Haematology; Hôpital Robert Debré; Reims France
6. Biological Immunology and Haematology Department; AP-HP; Henri Mondor Hospital; 51 Avenue du Maréchal de Lattre de Tassigny 94000 Créteil France
7. Dermatology Department; CHU - Hôpital Estaing; Clermont-Ferrand France
8. Dermatology Department; Rouen University Hospital; INSERM U905; Institute for Research and Innovation in Biomedicine (IRIB); Rouen University; Rouen France
9. Dermatology Department; AP-HP; Cochin Hospital; Paris France
10. Dermatology Department; CHR Orléans; Orléans France
11. Dermatology Department; AP-HP; Bichat Hospital; Paris France
12. Dermatology Department; Hôpital Robert Debré and EA 7319; Université de Reims Champagne-Ardenne; Reims France
13. Dermatology Department; CHRU de Tours; Tours, INSERM U930; Université François Rabelais de Tours; Tours France
14. Dermatology Department; AP-HP; Avicenne Hospital; Bobigny France
15. Dermatology Department; AP-HP; Pitié Salpêtrière; Paris France
16. Dermatology Department; CHU Dijon; Dijon France
17. Dermatology Department; CHRU Lille; Lille France
18. Dermatology Department; CHU Mulhouse; Mulhouse France
19. Dermatology Department; CHU Nantes; Nantes France
20. Dermatology and Oncology Department; EA 4340; University of Versailles-SQY; CHU A Paré; Boulogne-Billancourt France
21. Haematology Department; Rouen University Hospital; Rouen France
22. Clinical Research Centre; AP-HP; Henri Mondor Hospital; 51 Avenue du Maréchal de Lattre de Tassigny 94000 Créteil France