1. Central Laboratory of Pathology of Nice University Hospital France
2. Laboratory of Solid Tumors Genetics Nice University Hospital France
3. Department of Neurosurgery Nice University Hospital France
4. Department of Radiology Nice University Hospital France
5. Institute for Research on Cancer and Aging of Nice (IRCAN) CNRS UMR 7284/INSERM U1081 University of Nice Sophia‐Antipolis Nice France
6. Department of Pathology and Neuropathology Groupement Hospitalier Est Lyon Bron France
7. Department of Pathology University Hospital of Clermont‐Ferrand Clermont‐Ferrand France
8. Department of Neuropathology Sainte‐Anne Hospital Paris France
9. Department of Biopathology Centre Léon Bérard Lyon France
10. Department of Pathology Institut Bergonié Bordeaux France
11. Department of Oncology Centre Antoine Lacassagne Nice France
12. Department of Pathology West Kent Cancer Centre Maidstone UK