Table 1. Eligible public datasets used in the meta-analysis.

Public datasets	Array platform	Number of sample pairs*	PMID
GSE62452	[HuGene-1_0-st] Affymetrix Human Gene 1.0 ST Array	59	27197190
GSE15471	[HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array	35	19260470
GSE62165	[HG-U219] Affymetrix Human Genome U219 Array	9	27520560
GSE56560	[HuEx-1_0-st] Affymetrix Human Exon 1.0 ST Array	2	25587357

Note:

^*The number of sample pairs after exclusion of non-confirmed sample pairs and samples of low quality.