1. IPA, Webgestalt, GSEA, KEGG, Reactome, String Database, InterPro
2. Not described
3. Ingenuity, PathwayCommons, MSigDB, KEGG, Reactome, InterPro
4. Not described
5. Right-tailed Fisher’s exact test (Ingenuity), hypergeometric test (Webgestalt, PathwayCommons), unspecified tests in GSEA and KEGG
6. Yes