1. Department of Basic Medical Sciences, Neurosciences and Sensory Organs, “Aldo Moro”; University of Bari; Bari Italy
2. Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health; Bethesda Maryland USA
3. Departments of Neurology, Human Genetics and Pediatrics; Emory University; Atlanta Georgia USA
4. Department of Neurology and Psychiatry, Sapienza; University of Rome; Rome Italy
5. Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed; Pozzilli IS Italy