1. Department of Anesthesiology and Intensive Care, University Hospital of Toulouse, University Paul Sabatier; Toulouse, France
2. Department of Neurology, University Hospital of Toulouse, University Paul Sabatier; Toulouse, France
3. Department of Neuroradiology, University Hospital of Toulouse, University Paul Sabatier; Toulouse, France
4. Department of Neurosurgery, University Hospital of Toulouse, University Paul Sabatier; Toulouse, France