1 Department of Dermatology, Saint-Eloi Hospital and Montpellier University Hospital, Montpellier, France.
2 INSERM, Department of Medical Genetics, Rare Diseases and Personalized Medicine, CEREMAIA, CHU Montpellier, University of Montpellier, Montpellier, France.
3 Division of Dermatology, Bichat Hospital, Paris, France.