1. Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy,
2. Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, Università degli Studi di Milano, Milan, Italy,
3. Department of Cardiovascular, Neural and Metabolic Sciences, IRCCS Istituto Auxologico Italiano, Milan, Italy,
4. Department of Medicine and Surgery, Research Centre on Public Health, University of Milano-Bicocca, Monza, Italy,
5. Department of Neurorehabilitation Sciences, Casa Cura Policlinico (CCP), Milan, Italy,
6. Department of Neuroscience and Mental Health, Università degli Studi di Milano, IRCCS Ospedale Maggiore Policlinico, Milan, Italy and
7. PPLS, Department of Psychology, Euan MacDonald Centre for Motor Neurone Disease Research, Human Cognitive Neuroscience-Psychology, University of Edinburgh, Edinburgh, UK