1. Department of Dermatology and Pediatric Dermatology National Reference Center for Rare Skin Disorders, Hôpital Saint‐André Bordeaux France
2. Department of Rheumatology Hôpital Pellegrin Bordeaux France
3. Fédération Hospitalo‐Universitaire ACRONYM Bordeaux France
4. Department of Internal Medicine National Reference Center for Systemic Autoimmune Rare Diseases, Hôpital Haut Lévêque, Bordeaux University Hospital Pessac France
5. Department of Vascular Medicine, Hôpital Saint André Bordeaux University Hospital Bordeaux France
6. Department of Internal Medicine, Hôpital Saint André Bordeaux University Hospital Bordeaux France
7. Bordeaux University, CNRS, ImmunoConcept, UMR 5164 Bordeaux France