In order to provide you with information tailored to your individual needs and relevant to you, this website uses cookies to collect and store information about you and your usage behaviour. Cookies are small text files that are stored by a website server on your computer or other Internet usage devices. Your web browser sends these cookies back to the website each time you visit. This enables us to identify you when you visit the site again and to store information about your preferences.

Each time you visit our website, information is stored using cookies and other technologies. By using this website, you agree to our use of cookies as described here.

How we use cookies

Certain cookies that we use are required to enable you to navigate our website and use certain features, such as access to protected areas and content for registered users.

We also use functional cookies to store information about the settings you have selected and to tailor our website to your individual needs; this includes, for example, the selection of language and region or information that you have already taken part in a particular survey. This information is anonymous and will not be used for any other purposes than those described here.

We or the tracking tools we use use use cookies to assess the quality of our content. Performance cookies are used to recognise how many individual visitors visit our website and how often. The collection of this information is for statistical purposes only and is not used to personally identify users. If you have also registered and logged on to our website, we have the option of linking this information to information provided by the analysis services and cookies we use. This serves the purpose of finding out more about your usage behaviour on our website. For information on how you can control these analysis cookies, please refer to the section “Managing Analysis Cookies” below.

Please contact us if you would like more detailed information about the cookies we use.

How you can control cookies

By using this website, you agree that cookies may be stored on your computer or other devices for internet use. You can control and manage the use of cookies at any time. However, if you deactivate cookies or delete cookies already on your computer, this may restrict your access to and use of parts of the website.

Browser settings

You can usually see which cookies are on your computer via the settings of your browser, delete individual cookies or deactivate cookies from selected or all websites. When all cookies are deleted, all preference settings are deleted. This also applies to the deactivation of cookies you have already made, as the deactivation itself is linked to an opt-out cookie. Web beacons cannot be removed or blocked because they are an immediate part of the content of the websites and no information is stored on your computer. However, disabling cookies prevents web beacons from recording your usage patterns because web beacons work in conjunction with cookies, and the web beacon will only record an anonymous visit. For more information on how to disable or filter cookies via your browser menu, please visit or

Manage analysis cookies

For websites that use analysis cookies, you can visit the website concerned anonymously by refusing the cookies (opting out).  We use the following tracking providers. The following links will tell you more about their privacy policies and how you can refuse their cookies:

Google Analytics:

Google Analytics is a web analysis service of Google Inc. (“Google”). Google Analytics uses “cookies”, which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of this website is usually transferred to a Google server in the USA and stored there. However, in the event that IP anonymisation is activated on this website, your IP address will be shortened by Google within member states of the European Union or in other states which are party to the Agreement on the European Economic Area. Only in exceptional cases will the full IP address be transferred to a Google server in the USA and shortened there. On behalf of the operator of this website, Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity and providing other services relating to website activity and internet usage for the website operator. The IP address transmitted by your browser within the framework of Google Analytics is not combined with other data from Google. You may refuse the use of cookies by selecting the appropriate settings on your browser, however please note that if you do this you may not be able to use the full functionality of this website. You can also prevent the collection of data generated by the cookie and related to your use of the website (including your IP address) to Google and the processing of this data by Google by downloading and installing the browser plugin available at the following link (

You can find more detailed information on terms of use and data protection at or We would like to point out that on this website Google Analytics has been extended by the code “anonymizeIp” in order to ensure anonymous recording of IP addresses (so-called IP-Masking).

We also use Google Analytics to evaluate data from AdWords and the double-click cookie for statistical purposes. If you do not wish this to be done, you can deactivate this via the Ads Preferences Manager (


This is a translation of the German cookies subsite. In case of doubt, the German version applies.