1. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA.
2. Center for Neuroscience and Regenerative Medicine, Bethesda, Maryland, USA.
3. Department of Radiology, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
4. R Adams Shock Trauma Center and University of Maryland School of Medicine, Baltimore, Maryland, USA.
5. Division of Neurocritical Care and Emergency Neurology, University of Maryland School of Medicine, Baltimore, Maryland, USA.