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This is to test out the Interactive Clinical Images script.

To use this, click on 'My Notes' check box in top right corner. Then choose how you wish to annotate the image, either drawing on it or adding some short text. 

To see how your annotations or answer compares with that of the expert, click on 'Expert notes'. 

This illustration works because of some neat Javascript code created by Luke Woodham at St George's University, London. Thanks for sharing, Luke, a great example of open-source collaboration.