1. Department of Neurology, Division of Stroke and Cerebrovascular Diseases, The Warren Alpert Medical School of Brown University, Providence, RI, USA
2. Departments of Neurology and Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
3. Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
4. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA