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) 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?
A number of our pages use cookies to remember: your preferences, if you have already replied to a survey, if you have agreed (or not) to our use of cookies on this site etc.
Enabling these cookies is not strictly necessary for the website to work but it will provide you with a better browsing experience. You can delete or block these cookies, but if you do that some features of this site may not work as intended
How to control cookies
You can control and/or delete cookies as you wish - for details, see http://www.allaboutcookies.org/. 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.
