Analysis of immune-related loci identifies 48 new susceptibility variants for multiple sclerosis. by Beecham, A, Patsopoulos, N, Xifara, D, Davis, M, Kemppinen, A, Cotsapas, C, Shah, T, Spencer, C, Booth, D, Goris, A, Oturai, A, Saarela, J, Fontaine, B, Hemmer, B, Martin, C, Zipp, F, D'Alfonso, S, Martinelli-Boneschi, F, Taylor, B, Harbo, H, Kockum, I, Hillert, J, Olsson, T, Ban, M, Oksenberg, JR