1. Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences; Second University of Naples; Naples Italy
2. Department of Psychology; Second University of Naples; Caserta Italy
3. Multiprofile Hospital for Active Treatment in Neurology and Psychiatry ‘St. Naum’; Sofia Bulgaria
4. Salvatore Maugeri Foundation; Scientific Institute of Telese; Telese Terme (BN) Italy
5. Neurological Institute for Diagnosis and Care ‘Hermitage Capodimonte’; Naples Italy