1. Dermatology Department Hôpital Robert‐Debré Reims France
2. Clinical Research Unit Hôpital Robert‐Debré Reims France
3. Dermatology Department Hôpital Larrey Toulouse France
4. Dermatology Department National Reference Center for Rare Skin Diseases Hôpital Saint‐André Bordeaux France
5. Dermatology Department Centre Hospitalo‐Universitaire (CHU) Besançon France
6. Dermatology Department Centre Hospitalier (CH) Argenteuil France
7. Clinical Immunology Department CH Lyon‐Sud Lyon France
8. Dermatology Department Hôpital Henri‐Mondor Créteil France
9. Dermatology Department CHU Estaing Clermont‐Ferrand France
10. Dermatology Department Lausanne University Hospital CHUV Lausanne Switzerland
11. Dermatology Department CHU Brest France
12. Dermatology Department CHU Lapeyronie Montpellier France
13. Dermatology Department CEReSS‐EA 3279 Research Center in Health Services and Quality of Life Aix Marseille University Universitary Hospital Timone Assistance Publique Hôpitaux de Marseille Marseille France
14. Université de Paris Paris France
15. Dermatology Department Assistance Publique‐Hôpitaux de Paris Hôpital Saint‐Louis Paris France
16. Laboratory of Genetics of Skin Diseases INSERM UMR1163 Institut Imagine Necker Hospital Paris France