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Most websites on the internet use cookies, or parcels of text that are sent back and forth between a web browser and the server. Cookies can do several things, including storing your preferences for the way a site is displayed; building up a 'shopping cart' and creating statistical reports to help the website owner know more about its visitors.

Use of Cookies on this site

This site uses Google Analytics, which is a web statistics service provided by Google, Inc. Google Analytics sets a number of cookies in order to compile reports regarding activity on the site. The cookies do not, however, collect any personal information about visitors to this website. To find out more about this service, and the cookies that are set, please visit Cookies and Google Analytics.

This site also uses advertising cookies so that we can understand what you are interested in. Our display advertising partner, AdRoll, then enables us to present you with retargeting advertising on other sites based on your previous interaction with this website. The techniques our partners employ do not collect personal information such as your name, email address, postal address or telephone number. You can visit this page to opt out of AdRoll and their partners’ targeted advertising.

If you would prefer to block the cookies that a site attempts to set then this can be done using the settings in your web browser. Go to the help menu in your browser or visit to find out more. Please be aware that if you choose not to allow cookies, it is possible that certain functions of a website may become unavailable.