
Keywords: SLC6A4; serotonin transporter gene; 5-HTTLPR; serotonin transporter-linked polymorphic region; MAOA; monoamine oxidase A gene; MAOA-uVNTR; monoamine oxidase A upstream variable number of tandem repeats; TPH2; tryptophan hydroxylase-2 gene; HTR1A; serotoni