Cookie policy


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.

There is a distinction between session cookies which are cookies that will be erased from the moment you leave the website and permanent cookies which remain on your computer or device for a pre-determined period of time. Concerning the origin, there is distinction between first-party cookies, which come directly from the website, and third-party cookies, which come from and are sent to third parties.

How do we use cookies?

Analytics cookies: we use third-party cookies from Google to gain insight into statistics about visitors of our website, through the so-called Google Analytics-cookies. These cookies are used to receive a general overview relating to webpage browsing, unique visitors, sessions and other data. Through this information we can determine how people behave on our website. The purpose of these cookies is to improve the browsing experience on our website. These cookies will not be used for other purposes.

The data we receive through Google Analytics will be transmitted to Google. Our processing agreement with Google ensures that the information we obtain through Google Analytics is made anonymous and cannot be retraced to an individual user. Moreover, the Google Analytics-cookies will not be used in combination with other services of Google, such as DoubleClick and AdWords. In case you do not wish to transmit data relating to your web browsing to Google Analytics, you may download the Google Analytics Opt-out Browser Add-on


Session cookies: we also use cookies on our website that assess whether JavaScript is enabled and adjust the size of webpage images to the screen of the device with which users visit our website in order to improve the browsing experience. JavaScript is a programming language that is used frequently to make webpages more interactive.

Google Analytics-cookie Retention period
_ga Two years
_gid 24 hours



Session cookies

Retention period


End of session


End of session


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.