1. Department of Biochemistry and Genetics, University of Navarra School of Sciences, 31008 Pamplona, Spain
2. Department of Pathology, Hospital Complex of Navarra, 31008 Pamplona, Spain
3. Department of Neurosurgery, Hospital Complex of Navarra, 31008 Pamplona, Spain
4. Molecular Pathology Research Unit, Virgen de la Salud Hospital, 45005 Toledo, Spain
5. IdiPaz Research Unit, La Paz University Hospital, 28046 Madrid, Spain
6. Department of Pathology, University of Navarra Clinic, 31008 Pamplona, Spain