1. Anesthesia and Intensive Care Medicine Department (MD), Saint Etienne University Hospital Center, Avenue Albert Raimond, 42270 Saint-Priest-En-Jarez, France
2. Neurosurgery Department, Saint Etienne University Hospital Center, Avenue Albert Raimond, 42270 Saint-Priest-En-Jarez, France
3. Radiology Department, Saint Etienne University Hospital Center, Avenue Albert Raimond, 42270 Saint-Priest-En-Jarez, France
4. Anesthesia and Intensive Care Medicine Department, Saint Etienne University Hospital Center, Avenue Albert Raimond, 42270 Saint-Priest-En-Jarez, France