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. Author manuscript; available in PMC: 2013 Sep 19.
Published in final edited form as: Hum Mol Genet. 2007 Nov 27;17(5):747–758. doi: 10.1093/hmg/ddm347

Figure 3.

Figure 3

Epistatic interactions at SLC6A3, DRD3, SLC18A2 and COMT. The genomic organization of all four genes retained from stage I analyses is shown. Boxes extending below the horizontal line indicate exons, and black tick marks represent all SNPs analyzed in the US and Bulgarian samples. The SNPs retained for epistatic interactions (i.e. SNPs where p ≤ 0.10 for main effects) are listed. Gray lines indicate epistatic interactions at p < 0.10 in both the US and Bulgarian samples; bold black lines indicate significant interactions in the US as well as the Bulgarian samples at p < 0.05.