1 From the Division of Neurology (J.A.R.), Lahey Hospital & Medical Center, Burlington, MA; and Department of Neurology and Center for Health + Technology (E.R.D.), University of Rochester Medical Center, NY. james.a.russell@lahey.org.
2 From the Division of Neurology (J.A.R.), Lahey Hospital & Medical Center, Burlington, MA; and Department of Neurology and Center for Health + Technology (E.R.D.), University of Rochester Medical Center, NY.