1. National Research Council, Institute of Biomedicine and Molecular Immunology “A. Monroy”, Palermo, Italy
2. Department of Biopathology and Medical Biotechnology, Biology and Genetics Section, University of Palermo, Palermo, Italy
3. Department of Neurology, “R. Guzzardi” Hospital-ASP Ragusa, Vittoria, Italy
4. Cardiovascular Department, St. Donato Hospital, Arezzo, Italy
5. Complex Operative Unit of Neurology, St. Antonio Abate Hospital, Trapani, Italy
6. Unit of Nephrology, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
7. Neurological Unit, St. Bassiano Hospital, Bassano del Grappa, Italy