Parkinsonian singns in patients with cervical dystonia treated with pallidal deep brain stimulation: a controlled and observer-blinded study

Parkinsonian singns in patients with cervical dystonia treated with pallidal deep brain stimulation: a controlled and observer-blinded study Philipp Mahlknecht, MD, PhD, Dejan Georgiev, MD, PhD, Harith Akram, FRCS, Florian Brugger, MD, Saman Vinke, MD, Ludvic Zrinzo, MD,PhD, Marwan Hariz, MD, PhD, Kailash P Bhatia, MD, DM, FRCP, Gun-Marie Hariz, PhD, Peter Willeit, MD, PhD, John C. Rothwell PhD, Thomas Foltynie, MD, PhD, and Patricia Limousin, MD, PhD 1 Sobell Department of Motor Neuroscience, UCL Institute of Neurology, National Hospital for Neurology and Neurosurgery, London, UK 2 Department of Neurology, Innsbruck Medical University, Innsbruck, Austria 3 Department of Neurology, Medical University Ljubljana, Ljubljana, Slovenia 4 Department of Neurology, Kantonsspital St. Gallen, St. Gallen, Switzerland 5 Department of Clinical Neuroscience, Umeå University, Umeå, Sweden 6 Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden 7 Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK * contributed equally Corresponding author: Professor Patricia Limousin, MD, PhD, Unit of Functional Neurosurgery, UCL Institute of Neurology, National Hospital for Neurology and Ne urosurgery, Mail address: Box 146, Queen Square, London WC1N 3BG, U.K. Phone: +44 203 448 8723, E-mail: p.limousin@ucl.ac.uk