1. IRCCS - Institute of Neurological Sciences of Bologna; Bellaria Hospital; Bologna Italy
2. Department of Biomedical Sciences; Metabolism and Neuroscience; University of Modena and Reggio Emilia; Modena Italy
3. Unit of Neurology; University Hospital; Ferrara Italy
4. Unit of Neurology; Department of Neuromotor Physiology; IRCCS - Santa Maria Nuova Hospital; Reggio Emilia Italy
5. Unit of Neurology; Department of Neurosciences; University of Parma; Parma Italy
6. Unit of Neurology; New Civil Hospital S. Agostino-Estense; Modena Italy
7. Unit of Neurosurgery; Bufalini Hospital; Cesena Italy