1. Department of Biopathology Centre Léon Bérard Lyon France
2. Department of Dermatology, Medical Clinic Les Orangers University of Alger Medical School Algiers Algeria
3. CNRS 5286, INSERM U1052, Cancer Research Centre of Lyon University of Lyon, Université Claude Bernard Lyon 1 Lyon France
4. Department of Pathology Central Hospital of Army Algiers Algeria
5. Pediatric Department Central Hospital of Army Algiers Algeria
6. Department of Plastic Surgery Central Hospital of Army Algiers Algeria
7. Department of Dermatology Central Hospital of Army Algiers Algeria
8. Department of Pathology, APHP Hôpital Necker‐Enfants Malades Paris France