1. Shock Trauma Neurocritical Care, Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland Medical System, Baltimore, Maryland, USA.
2. Department of Neurology, University of Maryland School of Medicine, Baltimore, Maryland, USA.
3. Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, Maryland, USA.
4. Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland, USA.
5. Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, USA.