Table 1.

Characteristics of GEO datasets included in the study

Dataset ID	Platform ID	Country/Region	Number of Samples
			Tumor	Normal
GSE32867	GPL6884	USA	86	85
GSE46539	GPL6883	Taiwan	115	115
GSE63459	GPL6883	USA	33	32
GSE75037	GPL6884	USA	83	83
GSE116959	GPL17077	France	57	11

GSE, Gene Expression Omnibus Series; GPL, Gene Expression Omnibus Platform