ERCC6 and breast cancer: Diplotype analysis revealed statistically-significant association of breast cancer with three diplotypes in ERCC6; these included 2/5 (OR 2.65, 95% CI 1.14–6.17, p = 0.024), 1/6 (OR 3.89, 95% CI 1.42–10.66, p = 0.008), and 4/4 (OR 2.92, 95% CI 1.04–8.22, p = 0.042) (Supplementary Table 2).