Most websites use cookies in order to improve the user experience by enabling that website to 'remember' you, either for the duration of your visit using a 'session cookie' or for repeat visits using a 'persistent cookie'. Cookies are small data files that are used as unique identifiers. They are sent from the website's servers to your computer or mobile phone and stored on your device, and may then be sent back to our website's servers with updated data as you browse the website.

Cookies are used to record information about your preferences as you browse our website, which allows us to improve your experience by tailoring the website accordingly. Cookies can also be used to identify you every time you revisit our website. A session cookie will expire at the end of your browsing session once you close your web browser. Persistent cookies on the other hand have a set expiry date and will be stored on your computer until either this date is reached, or you delete your cookies using your browser settings.
This site uses some or all of the following cookies:

• Session Cookie
  This website may use a session cookie to maintain information about each visit to the website and enable core site functionality. This cookie does not contain any personal information, and only lasts for the duration of your visit, being deleted as soon as you close your web browser.  
• Load Balancer Cookie
  This cookie is essential to help ensure that the website loads efficiently by distributing visits across multiple web servers. This cookie does not contain any personal information, and only lasts for the duration of your visit, being deleted as soon as you close your web browser.  

• Google Analytics
  This cookie allows us to count page visits and traffic sources so we can measure and improve the performance of our site using a service provided by Google Analytics. We also implement Google Demographics and Interest Reporting to better understand the browsing habits, interests and demographics of our vistors. For more information about Google's privacy policy, please see www.google.com/intl/en/policies/privacy
  Visitors can opt-out of Google Analytics for Display Advertising and customize Google Display Network ads using the Ads Settings, see https://www.google.com/settings/ads. Additionally vistors may wish to use the Google Analytics Opt-Out Browser Add-on found at https://tools.google.com/dlpage/gaoptout/
  If you don't want to receive cookies, it is possible to modify your browser so that it notifies you when cookies are sent to it, or you can refuse cookies altogether. You can also delete cookies that have already been set.

  If you wish to restrict or block web browser cookies which are set on your device, you can do this through your browser settings (the help function within your browser should tell you how). Alternatively, you may wish to visit www.aboutcookies.org which contains comprehensive information on how to do this on a wide variety of desktop browsers.