1. Department of Basic Medical Sciences, Neuroscience and Sensory Organs; “Aldo Moro” University of Bari; Bari Italy
2. Human Motor Control Section; NINDS, NIH; Bethesda Maryland USA
3. Department of Neurology; Emory University; Atlanta Georgia USA
4. Department of Neurological Sciences; Rush University Medical Center; Chicago Illinois USA
5. Department of Neurology and Psychiatry; Sapienza University of Rome; Rome Italy
6. IRCCS INM Neuromed; Pozzilli (IS) Italy