This website uses cookies. Cookies are simple text files that are sent along with pages from this website and stored by internet browsers on the hard disk of the computer or other devices such as a smartphone. Cookies cannot damage your device or the files on it.

Functional cookies
We use functional cookies to make parts on our website work better, for instance to enable you to move around the website and to remember your preferences.

Analytical cookies
We use analytical cookies so we can see how our website is being used. This allows us to continuously improve our website for the benefit of our users. To do so we use Google Analytics. This allows us to see which pages are frequently visited and which search queries are being used on the website. We ask your permission to place analytical cookies.

We only use cookies from Google Analytics. Google places an analytical cookie so that we can analyse whether our website gives an optimal user experience by collecting your (partial) IP-address, information on your activity on the website, your internet browser and general visitor information (location). The information obtained is transferred to and stored by Google on servers in the United States of America. Google may provide this information to third parties if Google is legally obliged to do so, or insofar as these third parties process the information on behalf of Google. We have no influence on this matter. We have taken steps to safeguard your privacy: we have agreed a data processing agreement with Google and the last numbers of your IP address have been masked. Furthermore, we don’t allow Google to use the obtained information for other Google services.

Google Analytics places the following cookies:

Name Purpose Duration
_ga Used to distinguish users. 2 years
_gid Used to distinguish users. 24 hours
_gat Used to throttle request rate. 1 minute
_utma Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing __utma cookies exists. The cookie is updated every time data is sent to Google Analytics. 2 years from set/update




Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when the JavaScript library executes and is updated every time data is sent to Google Analytics. 6 months from set/update




Used to determine new sessions/visits. The cookie is created when the JavaScript library execxutes and no existing __utmb cookies exists. The cookie is updated every time data is sent to Google Analytics. 30 mins from set/update




Set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit. End of browser session


_utmt Used to throttle request rate. 10 minutes
_utmv Used to store visitor-level custom variable data. 2 years from set/update


Don’t like cookies?

If you do not want cookies, it is possible to set your internet browser so that you are warned when a cookie is placed or even prevent cookies from being placed. The result is that you may not be able to use all parts of the websites you visit, or not optimally.

In addition, you can enable or disable specific types of cookies in your browser settings. Because every browser is different, we refer you to the settings of your own browser.

You can also choose to manually delete the cookies before their expiration date from your devices. Every browser offers this possibility. For this we also refer you to your own browser.

Do you have any questions about the cookies?

If you have questions or complaints about how we use cookies, please send We kindly refer you to our privacy statement for more information.

If you want more information about how we treat your personal data and which right you have regarding to your personal data read our privacy statement.