Here are the answers to your questions based on the provided article:

1. **What tool was used for pathway enrichment analysis?**

   - **Answer:** Not explicitly described.

2. **Was a tool version number provided?**

   - **Answer:** Not described.

3. **What gene set library was queried (eg: GO, KEGG, Reactome or other)?**

   - **Answer:** The article does not specify the gene set libraries were queried.

4. **Was a background gene list defined for pathway enrichment analysis?**

   - **Answer:** Not described.

5. **What statistical test was used for enrichment analysis?**

   - **Answer:** The article does not explicitly describe the statistical test used.

6. **Was false discovery rate correction used to control the number of false positives in the pathway enrichment analysis?**

   - **Answer:** Not described.