In order for this website to function properly, we sometimes place small files – called cookies – on your device. This is common for most major websites.

What are cookies?

A cookie is a small text file that a web portal leaves on your computer, tablet computer or smartphone when you visit it. This allows the portal to “remember” certain entries and settings (e.g. login, language, font size, and other display preferences) over a period of time, and you do not need to enter them again each time you visit and navigate the portal.

How do we use cookies?

On our pages we use cookies to store

  • Your screen display preferences , e.g. contrast and font size.
  • Your participation, if any, in a survey on the usefulness of the content (so that you are not prompted again by a pop-up window to answer).
  • Your decision to (or against) the use of cookies on this portal.

Also, some videos embedded on our pages use cookies to create anonymous statistics about the previously visited pages and the selected videos.

Accepting cookies is not essential for using the portal, but it makes browsing more pleasant. You can block or delete cookies – but this may affect some features of this website.

The information collected using cookies is not used to identify you, and the data is entirely under our control. The cookies do not serve any other purposes than those mentioned here.

Cookies control

You can control and/or delete cookies at will. You can find out how here: You can delete all cookies stored on your computer and set most browsers to prevent cookies from being stored. But then you may have to manually adjust some settings every time you visit a page and accept the impairment of some functions.