Update README.md

README.md

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-license: gpl-3.0
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+---
+license: gpl-3.0
+language:
+- en
+tags:
+- gwas
+- genetics
+- mecfs
+- meta-analysis
+- medicine
+---
+# ME/CFS GWAS Meta-analysis Summary Statistics
+
+This dataset provides the summary statistics from a meta-analysis of three genome-wide association studies (GWAS) encompassing approximately **21,500 ME/CFS cases** and **1,000,000 controls** of European ancestry.
+
+For full documentation, analysis scripts, and reproducibility details, visit the accompanying GitHub repository: [https://github.com/paolomaccallini-hub/MetaME](https://github.com/paolomaccallini-hub/MetaME)
+
+## License
+
+gpl-3.0