1. Human Cognitive Neuroscience, Department of Psychology, School of Philosophy, Psychology and Language Sciences, University of Edinburgh, Edinburgh, UK
2. Euan MacDonald Centre for MND Research, University of Edinburgh, Edinburgh, UK
3. Sheffield Motor Neurone Disease Care Centre & Clinical Neuropsychology Services, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
4. Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
5. NHS Ayrshire & Arran, Ayr, UK
6. Anne Rowling Regenerative Neurology Clinic, Royal Infirmary of Edinburgh, Edinburgh, UK, and
7. Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK