1. Division of Pediatric Neurology, Department of Pediatrics, Child Neurology and Psychiatry, La Sapienza-University of Rome, Rome, Italy
2. Division of Molecular Medicine, Bambino Gesù Children Hospital, Rome, Italy
3. Department of Molecular Medicine for Neurodegenerative Disease, Stella Maris Foundation, Pisa, Italy
4. Department of Neurology, La Sapienza-University of Rome, Rome, Italy