1 From the Departments of Neurology and Neurosurgery (G.L.B.), Albany Medical Center, NY; and the Department of Neurology (C.S.), Université Diderot-Sorbonne Paris Cité, APHP-Hôpital Lariboisière, France. bernarg@mail.amc.edu.
2 From the Departments of Neurology and Neurosurgery (G.L.B.), Albany Medical Center, NY; and the Department of Neurology (C.S.), Université Diderot-Sorbonne Paris Cité, APHP-Hôpital Lariboisière, France.