1. Department of Clinical Neurological Sciences, Schulich School of Medicine & Dentistry, London, Ontario, Canada,
2. Department of Psychology, School of Philosophy, Psychology & Language Sciences, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, UK,
3. King’s College London, Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience, London, UK,
4. Forbes Norris MDA/ALS Research Centre, California Pacific Medical Centre, San Francisco, CA, USA,
5. Western University, Schulich School of Medicine & Dentistry, London, ON, Canada,
6. Greater Manchester Neuroscience Centre, Salford Royal NHS Trust and University of Manchester, Manchester, UK,
7. Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK,
8. Northwestern University, Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Evanston, IL, USA,
9. Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA,
10. Department of Neuropathology, Institute of Pathology, University of Debrecen, Debrecen, Hungary,
11. Department of Neurology, Loma Linda University School of Medicine, Loma Linda, CA, USA,
12. Department of Neurology and Laboratory Neuroscience - IRCCS Istituto Auxologico Italiano, Department of Pathophysiology and Transplantation, ‘Dino Ferrari’ Centre, Università degli Studi di Milano, Milan, Italy,
13. Sheffield Institute for Translational Neuroscience, Department of Neuroscience, The University of Sheffield, Sheffield, UK, and
14. Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK