Genetic variation at the 8q24.21 renal cancer susceptibility locus affects HIF binding to a MYC enhancer by Grampp, S, Platt, J, Lauer, V, Salama, R, Kranz, F, Neumann, V, Wach, S, Stöhr, C, Hartmann, A, Eckardt, K, Ratcliffe, P, Mole, D, Schödel, J