1. Department of General Dermatology and Cutaneous Oncology; Ambroise Paré University Hospital, University of Versailles-St Quentin; Boulogne-Billancourt; France
2. Dermatology Department; Tarnier-Cochin University Hospital; Paris; France
3. Department of Anatomopathology; Ambroise Paré University Hospital, University of Versailles-St Quentin; Boulogne-Billancourt; France