1 Department of Pediatrics (SS, TF), University of Pavia, IRCCS Policllinico S. Matteo Foundation; Neuroscience Consortium (EV), University of Pavia, Monza Policlinico and Pavia Mondino; Department of Neurology (EM, EV), C. Mondino National Neurological Institute; C. Mondino National Neurological Institute (AC, AL, AP, DF), Pavia, Italy; and Molecular Neuroscience (AC), University College London Institute of Neurology, UK.