1. From the Department of Neurology (J.L., J.P.-K., L.A.), University of Southern California, Keck School of Medicine, Los Angeles; Department of Neurology (S.S.Z.), University of California San Francisco; Department of Neurosciences (J.G.), University of California San Diego; and Department of Neurology and Neurosurgery (S.D.N.), Johns Hopkins University, Baltimore, MD.