1. Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
2. University Centre for Statistics in the Biomedical Sciences (CUSSB), Vita-Salute San Raffaele University, Milan, Italy
3. Vita-Salute San Raffaele University, Milan, Italy
4. Neurology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
5. Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
6. Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
7. Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, Università degli Studi di Milano, Milan, Italy
8. Human Cognitive Neuroscience, Department of Psychology, University of Edinburgh, Edinburgh, UK
9. Euan MacDonald Centre for MND Research, University of Edinburgh, Edinburgh, UK, and
10. Neurophysiology Service, IRCCS San Raffaele Scientific Institute, Milan, Italy