GSTM1 and major depressive disorder: After 4-weeks of rTMS treatment, the significant increase in [oxy-Hb] changes were observed in the MDD group compared with the pre-treatment levels in the 7 channels located over the bilateral FPPFC, left DLPFC and bilateral VLPFC (MDD-pre vs. MDD-post: Ch1, 3, 7, 22, 23, 27, and 37; Mann-Whitney test: z = −3.669 – −2.594, FDR p = 0.0002–0.047).