Table 1.

Forward, reverse, and extension primers of the 4 tag SNPs for PCR.

SNPs	Forward and reverse primers (5′-3′)	Extension primers (5′-3′)
rs16944	F: ATGTGGGACAAAGTGGAAGAC	TTTTTTTTTTTTCTTGGGTGCTGTTCTCTGCCTC
	R: AATTTTCTCCTCAGAGGCTC
rs1143627	F: CCACCAATACTCTTTTCCCC	TTTTTTTTTTTTTTTTTCCTACTTCTGCTTTTGAAAGC
	R: CCTTAGCACCTAGTTGTAAG
rs1143634	F: CTACTGGTGTTGTCATCAGAC	TTTTTTTTTTTTTTTTTTAAGCCTCGTTATCCCATGTGTC
	R: AGCTTTTTTGCTGTGAGTCCC
rs2853550	F: ACTAAAGCCCACTCCTCATTG	TTTTTTTTTTTTTTTTTTTTTCAGAAGGATATTCAGTGCACAT
	R:ATAGCGCTTGCTCAACAGATG

SNPs: single nucleotide polymorphisms.

PCR: polymerase chain reaction.