1. Department of Dermatology; Nancy University Hospital; Brabois Hospital; Vandoeuvre-les-Nancy France
2. Department of Dermatology; Metz-Thionville Regional Hospital; Thionville France
3. Pathology Center Emile Gallé; Nancy France
4. Department of Clinical Epidemiology and Evaluation; Nancy University Hospital; Nancy France
5. Department of Dermatology; Strasbourg University Hospital; Strasbourg France