1. ALS Center, Department of Neurology, Azienda Ospedaliera Universitaria Maggiore della Carità, Novara, Italy,
2. 3rd Neurology Unit and Motor Neuron Diseases Centre, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy,
3. ALS Center, ‘Rita Levi Montalcini’ Department of Neuroscience, University of Torino, Turin, Italy,
4. Department of Psychology, University of Milano Bicocca, Milan, Italy,
5. 1st Neurology Unit, Azienda Ospedaliero-Universitaria Città della Salute e della Scienza of Torino, Turin, Italy