1. Department of Dermatology, CHU Hôtel‐Dieu, 1 place Alexis Ricordeau, 44035 Nantes Cedex 1, France
2. PIMESP (Pôle d’Information Médicale et de Santé Publique), CHU Hôtel‐Dieu, Nantes, France
3. Department of Dermatology, CHU Morvan, Brest, France
4. Dermatologist, Rouen, France
5. Dermatologist, Paris, France
6. Pediatric Dermatology Unit, Hôpital Pellegrin‐Enfants, CHU Bordeaux, Bordeaux, France
7. Department of Dermatology, CHU Archet, Nice, France
8. Department of Dermatology, CHU Larrey, Toulouse, France