1 Department of Neurology; and Department of Neurosurgery, Division of Neurocritical Care, University of Florida College of Medicine, Gainesville, FL.
2 Department of Neurology; and Department of Neurosurgery, Division of Neurocritical Care, University of Florida College of Medicine, Gainesville, FL, Department of Neurology, Yale University School of Medicine, New Haven, CT, Department of Neurology, University of Utah, Salt Lake City, UT.