Update README.md

README.md

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-[![License: CC BY-NC-ND 4.0](https://img.shields.io/badge/License-CC%20BY--NC--ND%204.0-lightgrey.svg)](https://creativecommons.org/licenses/by-nc-nd/4.0/)
+Shield: [![CC BY-NC-SA 4.0][cc-by-nc-sa-shield]][cc-by-nc-sa]
+
+This work is licensed under a
+[Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License][cc-by-nc-sa].
+
+[![CC BY-NC-SA 4.0][cc-by-nc-sa-image]][cc-by-nc-sa]
+
+[cc-by-nc-sa]: http://creativecommons.org/licenses/by-nc-sa/4.0/
+[cc-by-nc-sa-image]: https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png
+[cc-by-nc-sa-shield]: https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey.svg
 
 # Deep Learning to Improve Breast Cancer Detection on Screening Mammography (End-to-end Training for Whole Image Breast Cancer Screening using An All Convolutional Design)
 Li Shen, Ph.D. CS
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 ### About Keras version
 It is known that Keras >= 2.1.0 can give errors due an API change. See issue [#7](https://github.com/lishen/end2end-all-conv/issues/7). Use Keras with version < 2.1.0. For example, Keras=2.0.8 is known to work.
 
+# TERMS OF USE
+All data is free to use for non-commercial purposes. For commercial use please contact [MSIP](https://www.ip.mountsinai.org/).