Corresponding Author

Thomas T. Warner PhD, FRCP

Department of Clinical and Movement Neurosciences, Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK

Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, London, UK

Correspondence to: information: Prof. Thomas T. Warner, Reta Lila Weston Institute of Neurological Studies and Queen Square Brain Bank for Neurological Disorders, Institute of Neurology, University College London, 1 Wakefield Street, London, United Kingdom, WC1N1PJ. E-mail: t.warner@ucl.ac.uk. Tel: 0207 679 4246