1. Department of Neuroradiology, Montpellier University Hospital, Montpellier;
2. Department of Neuroradiology, Sainte-Anne Army Hospital, Toulon;
3. Department of Diagnostic and Interventional Neuroradiology, Lyon Neurological Hospital, Lyon;
4. Department of Neuroradiology, Nantes University Hospital, Nantes; and
5. Department of Neuroradiology, Nice University Hospital, Nice, France