1. Department of Clinical and Experimental Medicine Neurological ClinicUniversity of Pisa Pisa Italy
2. Department of Translational Research and of New Surgical and Medical Technologies University of Pisa Pisa Italy
3. Department of Neuroscience, Psychology, Pharmacology and Child Health University of Florence Florence Italy
4. Section of Statistics University Hospital Pisa Italy
5. IRCCS Neuromed Pozzilli Italy