Table 1.

The sources and locations for the 38 gene expression datasets analyzed

Dataset	No. of patients	Permanent identifier	References
NKI	337	10.1038/415530a	31, 32
UCSF	162	GSE123833	33, 34
STNO2	122	GSE4335	35
NCI	99	10.1073/pnas.1732912100	36
UNC4	337	GSE18229	37
CAL	118	E-TABM-158	38
MDA4	129 (65)‡	GSE123832	39, 40
KOO	88	GSE123831	41
HLP	53	E-TABM-543	42
EXPO	353	GSE2109	43
VDX	344	GSE2034/GSE5327	44, 45
MSK	99	GSE2603	46
UPP	251 (190)‡	GSE3494	47
STK	159	GSE1456	48
UNT	137 (92)‡	GSE2990	36, 49
DUKE	171	GSE3143	50
TRANSBIG	198	GSE7390	51
DUKE2	160	GSE6961	52
MAINZ	200	GSE11121	53
LUND2	105	GSE5325	54
LUND	143	GSE5325	55
FNCLCC	150	GSE7017	56
EMC2	204	GSE12276	57
MUG	152	GSE10510	58
NCCS	183	GSE5364	59
MCCC	75	GSE19177	60
EORTC10994	49	GSE1561	61
DFHCC	115	GSE19615	62
DFHCC2	84 (75)‡	GSE18864	63
DFHCC3	40 (26)‡	GSE3744	64
DFHCC4	129	GSE5460	65
MAQC2	230	GSE20194	66
TAM	345 (242)‡	GSE6532/GSE9195	67
MDA5	298	GSE17705	68
VDX3	136	GSE12093	69
PNC	248	GSE20713	70
TCGA	517	https://tcga-data.nci.nih.gov/docs/publications/brca_2012/	26
METABRIC	1643	EGAS00000000083	14

^‡Duplicated patients were removed from few datasets for the estimation of concordance and prognostic value