Updated 25.May 2018
To make this site work properly and to optimize your user experience, we sometimes place small data files called cookies on your device. Many websites do this.
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 to control cookies?
You can control and/or delete cookies as you wish – for details, see 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.
You can easily accept or reject the cookies on this site: