1. Department of Dermatology; Bichat Hospital; 46 Rue Henri Huchard Paris 75018 France
2. Centre de Santé Sabouraud; 2 Place du Docteur Alfred Fournier Paris 75010 France
3. Department of Pathology; Saint Louis Hospital; 1 Avenue Claude Vellefaux Paris 75010 France
4. Department of Pathology; Bichat Hospital; 46 Rue Henri Huchard Paris 75018 France