To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too.

What are cookies?

A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.

How do we use cookies?

We use cookies to improve your experience:

  • to remember users’ actions, to identify the user, for online behavioural advertising
  • to help us understand which sections are most (and least) helpful so that we may improve the site

Many cookies are supplied by trusted third-party providers:

  • they utilise cookies to meet the needs of our website and visitors
  • they retain control of cookies
  • their cookie will not be used for any purpose other than the one stated

How to control cookies

You can control and/or delete cookies as you wish – for details, see You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.

You can easily accept or reject the cookies on this site by choosing one of the following links: I accept cookies / I refuse cookies.


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