1. Psychiatry Department, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
2. Neurosurgery Department, Medical Center of Asturias, Oviedo, Spain
3. Radiology Department, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
4. Neurophysiology Department, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
5. Psychiatry Department, Medical Center of Asturias, Oviedo, Spain
6. Department of Neurosurgery, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain