Update README.md

README.md

@@ -23,6 +23,10 @@ These model weights are the recommended ones among all available deidentifier we
 
 Associated github repo: https://github.com/MIDRC/Stanford_Penn_Deidentifier
 
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+## Acknowledgement
+This research is part of MIDRC (The Medical Imaging Data Resource Center) and was made possible by the National Institute of Biomedical Imaging and Bioengineering (NIBIB) of the National Institutes of Health under contracts 75N92020C00008 and 75N92020C00021. 
+
 ## Citation
 
 ```bibtex