1. Department of Dermatology Nantes University Hospital Nantes France
2. Oncodermatology Institut Claudius Regaud Institut Universitaire du Cancer Toulouse Oncopole France
3. Department of dermatology Timone Hospital Aix‐Marseille University Marseille France
4. Department of Dermatology University Hospital Estaing Clermont Ferrand France
5. Department of Dermatology Cochin University Hospital Paris France
6. Department of Dermatology Dijon University Hospital Dijon France
7. Inserm U1053 Department of Dermatology Bordeaux University Hospital University of Bordeaux Bordeaux France
8. Department of Dermatology Hôpital Nord Aix‐Marseille University Marseille France
9. Department of Medical Oncology Institut de Cancérologie de l’Ouest Saint‐Herblain France
10. Department of Dermatology Angers University Hospital Angers France
11. Department of Dermatology Montpellier University Hospital Montpellier France
12. Department of Dermatology Robert Debré University Hospital Reims University Reims France
13. Department of Dermatology Saint‐Louis University Hospital Paris France
14. Department of Dermatology CIC 1413 CRCINA Nantes University Hospital Nantes France