1. Multidisciplinary Neuroprotection Laboratories, Department of Neurobiology, Duke University Medical Center, Durham, North Carolina.
2. Departments of Medicine and Neurology, Duke University Medical Center, Durham, North Carolina.
3. Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina.
4. Department of Pathology, Duke University Medical Center, Durham, North Carolina.
5. Department of Surgery, Duke University Medical Center, Durham, North Carolina.
6. Department of Neurobiology, Duke University Medical Center, Durham, North Carolina.