Various aspects addressing the susceptibility to sporadic colorectal cancer: An overview by Vodicka, P, Pardini, B, Naccarati, A, Vodickova, L, Hanova, M, Polakova, V, Slyskova, J, Hesketh, J, Tomlinson, I, Landi, S, Kumar, R, Canzian, F, Foersti, A, Hemmiki, K