1. School of Pharmacy and Bioengineering, Keele University , Keele ST5 5BG , UK
2. Wolfson Centre for Inherited Neuromuscular Disease, TORCH Building, RJAH Orthopaedic Hospital , Oswestry SY10 7AG , UK
3. BSRC Mass Spectrometry and Proteomics Facility, University of St Andrews , St Andrews KY16 9ST , UK
4. AGCTlab.org , Centre of Gene and Cell Therapy, Centre for Biomedical Sciences, Department of Biological Sciences, , Surrey TW20 0EX , UK
5. School of Life Sciences and the Environment, Royal Holloway University of London, Egham Hill, Egham , Centre of Gene and Cell Therapy, Centre for Biomedical Sciences, Department of Biological Sciences, , Surrey TW20 0EX , UK
6. Edinburgh Medical School: Biomedical Sciences, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh , Edinburgh EH8 9XD , UK
7. Bertarelli Platform for Gene Therapy, Ecole Polytechnique Fédérale de Lausanne (EPFL) , 1202 Geneva , Switzerland
8. Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne (EPFL) , 1015 Lausanne , Switzerland
9. School of Medicine, Keele University , Keele ST5 5BG , UK