CXXC1 and B-cell chronic lymphocytic leukemia: Even though we found potentially interesting associations between ten SNPs within the CAMK2D, CASP8, CFLAR, CXXC1, GPR37, IRF8, LEF1, MYNN, PRKD2, and TERC loci and the OS of CLL patients, none of these associations remained significant after correction for multiple testing.