1. Aix Marseille Univ, CNRS CRN2M UMR7286, Marseille, France
2. APHM, La Timone Hospital, Department of Neurosurgery, Marseille, France
3. APHM, La Conception Hospital, Molecular Biology Laboratory, Marseille, France
4. APHM, La Timone Hospital, Department of Anatomopathology and Neuropathology, Marseille, France
5. Aix Marseille Univ, INSERM, CRO2 UMR911, Marseille, France
6. APHM, Nord Hospital, Department of Neurosurgery, Marseille, France
7. APHM, La Timone Hospital, Department of Neuro-oncology, Marseille, France