1 From the Departments of Neurology and Medicine (J.L.B.), Geisel School of Medicine at Dartmouth, Hanover, NH; and Department of Neurology, Columbia University College of Physicians & Surgeons, the New York Neurological Institute, NY. Bernat@dartmouth.edu.
2 From the Departments of Neurology and Medicine (J.L.B.), Geisel School of Medicine at Dartmouth, Hanover, NH; and Department of Neurology, Columbia University College of Physicians & Surgeons, the New York Neurological Institute, NY.