1. Department of Vascular Medicine Grenoble Alpes University Hospital F‐38000 Grenoble France paris
2. Department of Vascular Medicine Saint‐André Hospital 1 rue Jean Burguet 33075 Bordeaux France paris
3. Department of Dermatology Tenon Hospital 4 rue de la Chine 75020 France paris
4. Department of Vascular Medicine Saint Joseph Hospital 185 rue Raymond Losserand France paris
5. Department of Vascular Medicine Rangueil Hospital 1 avenue Jean Poulhès 31400 Toulouse France paris
6. Department of Vascular Medicine University Hospital 2 avenue Martin Luther King 87000 Limoges France paris