CD40lbase: a database of CD40L gene mutations causing X-linked hyper-IgM syndrome. by Notarangelo, L, Peitsch, M, Abrahamsen, T, Bachelot, C, Bordigoni, P, Cant, A, Chapel, H, Clementi, M, Deacock, S, de Saint Basile, G, Duse, M, Espanol, T, Etzioni, A, Fasth, A, Fischer, A, Giliani, S, Gomez, L, Hammarstorm, L, Jones, A, Kanariou, M, Kinnon, C, Klemola, T, Kroczek, R, Levy, J, Matamoros, N