<qa>  What is the name of the patient that is recruited at the IRCCS Neurological National InstituteThe investigators plan to recruit, at the IRCCS Neurological National Institute C. Mondino, 60 consecutive patients with definite Multiple Sclerosis MS according to 2005 McDonald criteria in a follow-up procedure that includes a general and neurological evaluation scored according to the Expanded Disability Status Scale of Kurtzke and its functional systems. 