1. Neuroradiology Department CHU Bordeaux Bordeaux France
2. INSERM‐U862 Neurocentre Magendie Bordeaux France
3. Department of Biostatistics Université de Lille, CHU de Lille Lille France
4. Neurology Department CHU Bordeaux Bordeaux France
5. UMR‐5287‐CNRS Université de Bordeaux, EPHE PSL Research University Bordeaux France