Table 1. Microarray datasets used as training and validation sets.

Contributors	Year	Set	Microarray platform	# Patients with ovarian tumor	# Patient with high grade, late stage, serous ovarian tumor	PMID	Source
Bentink et al.[This study]	2011	Training	Illumina DASL BeadArray 12k	129	129		E-MTAB-386
Dressman et al. [5]	2007	Validation	Affymetrix GeneChip HG-U133A	118	114	17290060	http://data.cgt.duke.edu/platinum.php
Yoshihara et al. [36]	2010	Validation	Agilent G4112A	110	43	20300634	GSE17260
Tothill et al. [10]	2008	Validation	Affymetrix GeneChip HG-U133A	285	139	18698038	GSE9899
Birrer et al. Bonome et al. [37]	2008	Validation	Affymetrix GeneChip HG-U133A	185	185	18593951	GSE26712
TCGATCGA [12]	2011	Validation	Affymetrix GeneChip HG-U133A	510	402	21720365	http://tcga-data.nci.nih.gov/tcga/tcgaHome2.jsp
Spentzos et al. [9]	2004	Validation	Affymetrix GeneChip HG-U95v2	53	41	15505275	GSE19161
Zhang et al. [38]	2008	Validation	Affymetrix GeneChip HG-U133PLUS2	55	46	18458333	GSE19161
Denkert et al. [26]	2009	Validation	Affymetrix GeneChip HG-U133A	80	41	19294737	GSE14764
Crijns et al. [39]	2009	Validation	Operon human v3 35K	157	85	19192944	GSE13876
Mok et al. [40]	2009	Validation	Affymetrix GeneChip HG-U133PLUS2	53	53	19962670	GSE18520