The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.
Cookies are small text files that can be used by websites to make a user's experience more efficient.
This site does use some non-essential cookies so we are legally obliged to inform visitors of their existence. These cookies do not track individual users or identify them, but are used to gain useful knowledge about how the site is used so that we can keep improving it for our users.
This site uses different types of cookie.
The information generated by the cookie about your use of our website (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of our website, compiling reports on website activity and providing other services relating to website activity and internet usage.
Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google's behalf. Google undertakes not to associate your IP address with any other data held by Google.
If you want to delete any cookies that are already on your computer, please refer to the instructions for your file management software to locate the file or directory that stores cookies. You can access them through some types of browser.
More information about cookies, including how to block them or delete them, can be found on the ICO website.
Some third party cookies are set by services that appear on our pages. They are set by the operators of that service and are not in our control. They are set by Twitter, Facebook and Sharethis and relate to the ability of users to share content on this site.