1. Department of Neurology, Albert Einstein College of Medicine, Bronx, New York
2. Department of Neurology, Division of Neurocritical Care, College of Physicians and Surgeons, Columbia University, New York, New York
3. Department of Neurology, Neurological Intensive Care Unit, Martin Luther University, Halle-Wittenberg, Germany
4. Department of Neurosurgery, Division of Neurocritical Care, Mount Sinai College of Medicine, New York, New York
5. Departments of Neurology and Neurosurgery, Division of Neurocritical Care, College of Physicians and Surgeons, Columbia University, New York, New York