1. Neurology and Neurorehabilitation Unit, I.R.C.C.S. “Santa Lucia” Foundation, Rome, Italy
2. Department of Developmental Neurology and Psychiatry, University of Rome “La Sapienza”, Rome, Italy
3. Neurology and Neurorehabilitation Unit, I.R.C.C.S. “Santa Lucia” Foundation, Department of Systems Medicine, University of Rome “Tor Vergata”, Rome, Italy