Affiliation: | 1.Ipsen Biopharm Ltd, 9 Ash Rd N, Wrexham, LL13 9UF, UK ;2.Department of Neurology, The Walton Centre, Lower Lane, Liverpool, L9 7LJ, UK ;3.Department of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA ;4.School of Medicine, Henry Wellcome Building for Biomedical Research, University Hospital of Wales, Heath Park, Cardiff, CF14 4XN, UK ;5.University of Liverpool, Liverpool, UK ; |