1. LIEN Univ Brest Brest France
2. Department of Dermatology University Hospital of Brest Brest France
3. INSERM UMR 1163, Laboratory of Genetic Skin Diseases Imagine Institute Paris France
4. University of Paris Paris France
5. Division of Dermatology McGill University Health Centre, Montreal General Hospital Montreal Quebec Canada
6. Department of Dermatology Charité Universitätsmedizin Berlin Germany
7. EA3878, FCRIN INNOVTE, groupe d'étude thrombose Bretagne Occidentale Brest France
8. Department of Biochemistry and Pharmaco‐Toxicology University Hospital of Brest Brest France