1. Departments of Neurosurgery, Poitiers University School of Medicine, Poitiers, France
2. Inserm, CIC 802, University of Poitiers, Poitiers, France
3. Departments of Pain Management and Research Center, Poitiers University School of Medicine, Poitiers, France
4. Departments of Psychiatry, Poitiers University School of Medicine, Poitiers, France
5. Departments of Anesthesiology, Poitiers University School of Medicine, Poitiers, France
6. Morphology, Poitiers University School of Medicine, Poitiers, France