Functional movement disorder gender, age and phenotype study: a systematic review and individual patient meta-analysis of 4905 cases 1Integrated Movement Disorders Program, University Health Network, Toronto, Ontario, Canada 2Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada 3Royal Marsden Clinical Trials Unit, The Royal Marsden NHS Foundation Trust, Sutton, UK 4King’s College London, School of Population Health and Environmental Sciences, London,...