| SNP | Primer sequence |
| rs1800469 | forward: GCTCAGTAAAGGAGAGCAATTCTTA reverse: GTAGGAGAAGAGGGTCTGTCAACAT |
| rs1800470 | forward: CCCTCCTACCTTTTGCCGGGAGACC reverse: CGCTTCACCAGCTCCATGTCGATAG |
| rs2241712 | forward: AGCAGTCAAGCCCATGAACTACAAC reverse: GTCCAAAATAACCTTTTCGGGTTCA |
| rs2241715 | forward: TGCCTCTTTCTTTTCGTCTCCGTTA reverse: GCCCTATTCTTGGCCCGGAGGTTAC |
| rs4803455 | forward: GAGCCACCGTGCCCAGCCGGAATCA reverse: CACGCCTGTAGTCGCCACTATTTGG |