1. Department of PathologyIUCT‐Oncopole, Toulouse University HospitalToulouse France
2. INSERM U1037, Team 11, Cancer Research Center of Toulouse (CRCT)Toulouse France
3. Department of PathologyAngers University HospitalAngers France
4. INSERM U1232, Cancer and Immunology Research Center of Nantes‐Angers (CRCINA), Team 17, Nantes University, Angers UniversityAngers France
5. Department of PathologyLille University HospitalLille France
6. INSERM U837 UMR‐S1172, Centre de Recherche Jean Pierre Aubert, Team 1Lille France
7. UMR5089 Institut de Pharmacologie et de Biologie Structurale (IPBS), Department of Cancer BiologyToulouse France
8. Department of PathologyInstitut Claudius Regaud, IUCT‐OncopoleToulouse France
9. Department of NeurosurgeryToulouse University HospitalToulouse France
10. Department of NeurosurgeryLille University HospitalLille France
11. UMR1214 Toulouse Neuro Imaging Center (TONIC), Team iDREAM, INSERM and Paul Sabatier University of ToulouseToulouse France
12. Department of PathologyMontpellier University Medical CenterMontpellier France
13. Institute for Neuroscience of Montpellier (INM), INSERM U1051, Team 4, Montpellier University HospitalMontpellier France
14. Department of OncopediatryToulouse University HospitalToulouse France
15. Hopp Children's Cancer Center at the NCT Heidelberg (KiTZ), Group Pediatric Glioma ResearchHeidelberg Germany
16. Division of Pediatric NeurooncologyGerman Cancer Consortium (DKTK), German Cancer Research Center (DKFZ)Heidelberg Germany
17. Department of PathologyMarseille University HospitalMarseille France
18. UMR CNRS 7058. Institut de Neurophysiopathologie (INP), Team GlioME, Aix‐Marseille UniversityMarseille France