M Larsabal1, O Cogrel1, C Caumont2, M-H Jegou3, A Taïeb1, F Morice-Picard1. 1. Department of Dermatology and Pediatric Dermatology, National Reference Centre for Rare Disorders, Centre Hospitalier Universitaire du Bordeaux, Place Amélie Raba-Léon, F-33076, Bordeaux CEDEX, France. 2. Tumor Bank and Tumor Biology Laboratory, CHU de Bordeaux, Pessac, France. 3. Cabinet Médical, Blanquefort, France.