Table 1. Description of cohorts in 11 MDD microarray platforms.

Cohort	Region	Code	Platform	# of probe sets	# of genes	# of subjects
1	ACC	MD1_ACC	Affymetrix Human Genome U133 Plus 2.0	40,610	19,466	32
2	AMY	MD1_AMY	Affymetrix Human Genome U133 Plus 2.0	40,610	19,621	28
3	ACC	MD2_ACC	Illumina HumanHT –12 (v3)	48,803	25,159	20
4	ACC	MD3_ACC	Illumina HumanHT –12 (v3)	48,803	25,159	50
5	AMY	MD3_AMY	Illumina HumanHT –12 (v3)	48,803	25,159	42
6	ACC	BA25_F	Affymetrix Human Genome U133 Plus 2.0	53,596	19,572	26
7	ACC	BA25_M	Affymetrix Human Genome U133 Plus 2.0	53,596	19,572	26
8	DLPFC	BA9_F	Affymetrix Human Genome U133 Plus 2.0	53,596	19,572	32
9	DLPFC	BA9_M	Affymetrix Human Genome U133 Plus 2.0	53,596	19,572	28
10	OFC	NY_BA47	Affymetrix Human Genome U133A	20,338	12,703	24
11	DLPFC	NY_BA9	Affymetrix Human Genome U133A	20,338	12,703	26

ACC, anterior cingulate cortex; AMY, amygdala; DLPFC, dorsolateral prefrontal cortex, OFC, orbital ventral prefrontal cortex.