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You block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.
Except for essential cookies, all cookies will expire after 2 years maximum unless otherwise stated.
How do I change my cookie settings?
Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set, visit http://www.aboutcookies.org or www.allaboutcookies.org.
Find out how to manage cookies on popular browsers:
To find information relating to other browsers, visit the browser developer's website.
To opt out of being tracked by Google Analytics across all websites, visit http://tools.google.com/dlpage/gaoptout.
We are planning to enhance our cookie tool to allow users to more easily change their cookie settings after their initial choice.