1 From Stroke Rehabilitation Research (A.M.B.), Kessler Foundation, Kessler Institute for Rehabilitation, Department of Physical Medicine and Rehabilitation, Rutgers-New Jersey Medical School, Newark; and Departments of Neurology and Physical Medicine and Rehabilitation (R.H.H.), Perelman School of Medicine, University of Pennsylvania, Philadelphia. abarrett@kesslerfoundation.org.
2 From Stroke Rehabilitation Research (A.M.B.), Kessler Foundation, Kessler Institute for Rehabilitation, Department of Physical Medicine and Rehabilitation, Rutgers-New Jersey Medical School, Newark; and Departments of Neurology and Physical Medicine and Rehabilitation (R.H.H.), Perelman School of Medicine, University of Pennsylvania, Philadelphia.