1 From the Department of Neurology (N.R., H.E.H.), and Philip R. Lee Institute for Health Policy Studies (N.R.), University of California San Francisco; Greenburgh Pride (Z.P.L.E.), Westchester, NY; American Academy of Neurology (D.E.), Minneapolis, MN; University of Massachusetts Chan Medical School (W.D.); University of Massachusetts Memorial Medical Center (W.D.), Worcester; Department of Neurology (G.Z.), Albany Medical College, NY; Department of Neurology (C.A.H.), The Ohio State University College of Medicine, Columbus; National Institute of Neurological Disorders and Stroke (R.T.B.), Bethesda, MD; Department of Neurology (N.A.M.), University of Rochester Medical Center, NY; and Department of Neurology (R.H.H.), University of Pennsylvania, Philadelphia.