1. Department of Neurology; Istituti Clinici Scientifici Maugeri Spa SB - IRCCS di Telese Terme; Telese Terme (BN) Italy
2. Department of Neurology; Beth Israel Deaconess Medical Centre; Harvard Medical School; Boston MA
3. Department of Neurology School of Medicine; University of Minnesota; Minneapolis MN USA
4. IRCCS Istituto delle Scienze Neurologiche di Bologna; Bologna Italy
5. Department of Neurosciences Reproductive and Odontostomatological Sciences; University ‘Federico II’; Naples Italy