Inverse correlation of genetic risk score with age at onset in bout-onset and progressive-onset multiple sclerosis.

Sorosina, M; Esposito, F; Guaschino, C; Clarelli, F; Barizzone, N; Osiceanu, Am; Brambilla, P; Mascia, E; Cavalla, P; Gallo, P; Progresso, Progemus; Martinelli, V; Leone, M; Comi, Giancarlo; D'Alfonso, S; Martinelli Boneschi, F.