Université Paris VI Pierre et Marie Curie - Laboratory of Translational Research in Pediatric Oncology, Université Paris VI Pierre et Marie Curie - Laboratory of Translational Research in Pediatric Oncology, Sainte-Anne Hospital - Department of Neuropathology, Université Paris VI Pierre et Marie Curie - Laboratory of Genetics and Cancer Biology, Université Paris VI Pierre et Marie Curie - Laboratory of Translational Research in Pediatric Oncology, Université Paris VI Pierre et Marie Curie - Department of Translational Research, the Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA), Université Paris VI Pierre et Marie Curie - Laboratory of Translational Research in Pediatric Oncology, Université Paris VI Pierre et Marie Curie - Department of Translational Research, the Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA), Université Paris VI Pierre et Marie Curie - Laboratory of Genetics and Cancer Biology, Université Paris VI Pierre et Marie Curie - Laboratory of Genetics and Cancer Biology, Université Paris VI Pierre et Marie Curie - Laboratory of Somatic Genetics, Université Paris VI Pierre et Marie Curie - Laboratory of Somatic Genetics, XenTech, Université Paris VI Pierre et Marie Curie - Department of Translational Research, Université Paris VI Pierre et Marie Curie - Laboratory of Genetics and Cancer Biology, Université Paris VI Pierre et Marie Curie - Department of Translational Research, the Biophenics High-Content Screening Laboratory, Cell and Tissue Imaging Facility (PICT-IBiSA) and Université Paris VI Pierre et Marie Curie - Laboratory of Translational Research in Pediatric Oncology