1. ‘S. Maugeri’ Foundation IRCCS; Telese Terme; Benevento Italy
2. Department of Neurology; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA USA
3. Department of Neurology; School of Medicine; University of Minnesota; Minneapolis MN USA
4. IRCCS Institute of Neurological Sciences; Bologna Italy
5. Department of Neurosciences; Reproductive and Odontostomatological Sciences; University ‘Federico II’ of Naples; Naples Italy