1 From the Sobell Department of Motor Neuroscience (N.S.W.), UCL Institute of Neurology; The National Hospital for Neurology and Neurosurgery (N.S.W.); UCL Partners Centre For Neurorehabilitation (N.S.W.), Queen Square, London, UK; and Division of Stroke (T.K.), Columbia University Medical Center, New York, NY. n.ward@ucl.ac.uk.
2 From the Sobell Department of Motor Neuroscience (N.S.W.), UCL Institute of Neurology; The National Hospital for Neurology and Neurosurgery (N.S.W.); UCL Partners Centre For Neurorehabilitation (N.S.W.), Queen Square, London, UK; and Division of Stroke (T.K.), Columbia University Medical Center, New York, NY.