1. Department of Otorhinolaryngology - Head and Neck Surgery; La Timone Universitary Hospital Center, Aix-Marseille University; 264 rue St. Pierre 13385, Marseille cedex France
2. Department of Dermatology; La Timone Universitary Hospital Center; Aix-Marseille University; 264 rue St. Pierre 13385, Marseille cedex France
3. Department of Public Health and Medical Information; La Timone Universitary Hospital Center; Aix-Marseille University; 264 rue St. Pierre 13385, Marseille cedex France