A genome-wide asociation study identifies new psoriasis susceptibility loci and an interaction betwEn HLA-C and ERAP1 by Strange, A, Capon, F, Spencer, C, Knight, J, Weale, M, Allen, M, Barton, A, Band, G, Bellenguez, C, Bergboer, J, BlackweL, J, Bramon, E, Bumpstead, S, Casas, J, Cork, M, Corvin, A, Deloukas, P, Dilthey, A, Duncanson, A, Edkins, S, EstiviL, X, Fitzgerald, O, FrEman, C, Giardina, E, Gray, E