Genome-wide association study identifies distinct genetic contributions to prognosis and susceptibility in Crohn’s disease מאת Lee, J, Biasci, D, Roberts, R, Gearry, R, Mansfield, J, Ahmad, T, Prescott, N, Satsangi, J, Wilson, D, Jostins, L, Anderson, C, UK IBD Genetics Consortium, Traherne, J, Lyons, P, Parkes, M, Smith, K