1. Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
2. Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
3. Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
4. Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
5. Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
6. UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA.
7. Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, Maryland, USA.
8. Department of Neurology, Barrow Neurological Institute, Phoenix, Arizona, USA.
9. Department of Neurobiology and Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA.