The demography of the association studies are shown in Table S1 (see Supplement 1). The results of overall and sub-grouped meta-analyses are shown for both allelic and genotypic analyses in Table 1. Other sub-grouped analyses are shown in Table S2 in Supplement 1. The forest plots of the allelic and genotypic analyses are shown in Figure 1, and Figures S1 and S2 in Supplement 1.
