%0 Journal Article %T Biomarkers in Multiple Sclerosis: An Up-to-Date Overview %A Serafeim Katsavos %A Maria Anagnostouli %J Multiple Sclerosis International %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/340508 %U http://dx.doi.org/10.1155/2013/340508