1. Wolfson Centre for Inherited Neuromuscular Disease, RJAH Orthopaedic Hospital, Oswestry, UK
2. Institute for Science and Technology in Medicine, Keele University, Staffordshire, UK
3. Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, UK
4. Division of Neurobiology, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK