Regional cortical thinning in multiple sclerosis and its relation with cognitive impairment: A multicenter study

Tillema, Jm; Hulst, He; Rocca, Ma; Vrenken, H; Steenwijk, Md; Damjanovic, D; Enzinger, C; Ropele, S; Tedeschi, G; Gallo, A; Ciccarelli, O; Rovira, A; Montalban, X; de Stefano, N; Stromillo, Ml; Filippi, Massimo; Barkhof, F.