1 From the Department of Orthopaedics and Rehabilitation (A.R.T., E.R.E.), Oregon Health & Science University, Portland; and Department of Neurology (E.R.E.), University of Kansas Medical Center, Kansas City.
2 From the Department of Orthopaedics and Rehabilitation (A.R.T., E.R.E.), Oregon Health & Science University, Portland; and Department of Neurology (E.R.E.), University of Kansas Medical Center, Kansas City. eensrud@kumc.edu.