1Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy, 2Brain Connectivity Center, C. Mondino National Neurological Institute, Pavia, Italy, 3Department of Physics, University of Pavia, Pavia, Italy, 4Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy, 5Neurology Unit, C. Mondino National Neurological Institute, Pavia, Italy, 6Brain MRI 3T research center, C. Mondino National Neurological Institute, Pavia, Italy, 7Scientific Institute H. S. Raffaele, Milan, Italy, 8NMR Research Unit, Queen Square MS Centre Department of Neuroinflammation, UCL Institute of Neurology, London, United Kingdom, 9Department of Emergency Neurology, C. Mondino National Neurological Institute, Pavia, Italy