1 Dermatology Department, University Hospital of Brest, Brest, France.
2 Dermatology Department, University Hospital of Brest, Brest, France; Laboratoire Interactions Epithéliums Neurones LIEN, University Brest, Brest, France.
3 Dermatology Department, University Hospital of Brest, Brest, France; Laboratoire Interactions Epithéliums Neurones LIEN, University Brest, Brest, France. Electronic address: [email protected].