Affiliation: | (1) Marjorie Crowe Neuromuscular Disease Clinic, Departments of Paediatric and Adult Neurology, The Newcomen Centre, Guy's Hospital, St. Thomas' Street, SE1 9RT London, UK;(2) Department of Neurology, St. Mary's Hospital, London, UK;(3) Experimental Pathology, United Medical and Dental Schools, Guy's Hospital, London, UK;(4) Division of Medical and Molecular Genetics, United Medical and Dental Schools, Guy's Hospital, London, UK;(5) National Hospital for Neurology and Neurosurgery, Queen Square, London, UK |