1. Neurotraumatology and Neurosurgery Research Unit (UNINN), Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain.
2. Department of Neurosurgery, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain.
3. Department of Pathology, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain.
4. Departments of Neurosurgery, Physiology, and Pathology, University of Maryland School of Medicine, Baltimore, Maryland.