Affiliation: | 1. Department of Neurology and Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA;2. Department of Anesthesia, Emory University School of Medicine, Atlanta, GA, USA;3. Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA;4. Ralph H. Johnson Veterans Administration Medical Center, Charleston, South Carolina, USA |