Neurology 2014 Nov 10;83(20):1862-70. Epub 2014 Oct 10.
From the Department of Neurology and Clinical Neurophysiology (S.M.A.v.d.S., J.H.T.M.K., T.v.d.E., A.-F.v.R.), Academic Medical Center, Amsterdam, the Netherlands; Sobell Department of Motor Neuroscience and Movement Disorders (R.E., C.C., M.J.E., K.P.B.), University College London (UCL) Institute of Neurology, London; Clinical Neurophysiology (R.E., C.C.), National Hospital for Neurology and Neurosurgery, London; Nuffield Department of Clinical Neurosciences (P.B.), University of Oxford, John Radcliffe Hospital, Oxford, UK; and the Department of Neurology (M.A.J.T.), University Medical Center Groningen, University of Groningen, the Netherlands.