Affiliation: | 1. Department of Dermatology, University of Algiers, Mustapha Hospital, 16100 Algiers, Algeria;2. Department of Dermatology, AP‐HP, Saint‐Louis Hospital 75475 Paris, France;3. Departments of Immunobiology and;4. Pathology, AP‐HP, Henri Mondor Hospital, 94010 Créteil, France E‐mail: life‐hayet@hotmail.com |