Table 1. Characteristics of the five SNPs.

SNP ID	Chromosome	Allele	Function consequence
GSTP1
rs1695	11	A/G	Missense
SOD2
rs4880	6	A/G	Missense
GSTA1
rs3957356	6	C/T	Upstream variant 2KB
			Utr variant 5 prime
MTHFR
rs1801131	1	G/T	Missense
rs1801133	1	A/G	Missense