Table 1.

Cohorts included in our study

n	Study code	Affymetrix® array	References	Patients n	Geographic origins	Caucasian n
1	E_TABM_158	HG-U133A	[18]	112	USA	81
2	GSE2603	HG-U133A	[19]	82	USA	0
3	GSE4922	HG-U133A + B	[20]	249	Sweden	249
4	GSE6532	HG-U133A + B + Plus2	[21]	401	UK, Sweden	401
5	GSE7378	HG-U133A	[22]	54	USA	0
6	GSE7390	HG-U133A	[23]	198	Sweden, France, UK	198
7	GSE7849	HG-U95A	[24]	75	USA	58
8	GSE9195	HG-U133Plus2	[25]	77	UK, Sweden	77
9	GSE16391	HG-U133Plus2	[26]	55	International	0
10	GSE17907	HG-U133Plus2	[27]	49	France, Tunisia	43
11	GSE19615	HG-U133Plus2	[28]	115	USA	0
12	GSE20685	HG-U133Plus2	[29]	296	Taiwan	0
13	GSE21653	HG-U133Plus2	[30]	265	France	265
14	GSE25055	HG-U133A	[31]	309	USA	0
15	GSE45255	HG-U133A	[32]	41	Belgium	41
			Total	2378		1413

NA not available