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We are the owner or licensee of all intellectual property rights in our site and material published on it. All these works are protected by copyright and other intellectual property laws and treaties around the world. All rights are reserved to the relevant owner or licensee of such works.

You may print a copy and download excerpts of any page on our site for your own use and draw the attention of others within your organization to the content posted on our site.

It is not permitted to modify in any way the paper or digital copies of any printed or downloaded material and it is not permitted to use illustrations, photographs, video or audio sequences or graphics separately from the accompanying text.

Our status (and that of any identified collaborators) as authors of the contents of our site must always be recognized.

You must not use any part of the content on our site for commercial purposes without obtaining a license that authorizes it, from us or our licensors.

If you print, copy or download any part of our site in violation of these terms of use, your right to use our site will cease immediately and you must, at our option, return or destroy any copies of the material created.