Privacy protection notice:

Every time a user accesses the site and every time a file is retrieved, information about these operations is saved in a log file. No person-specific analysis of this information takes place. We reserve the right to analyse anonymous data sets.

In detail, the following data set is saved for each retrieval:

Client PC (IP address or domain name), name of the user, if he/she had to log in (on password-protected pages), status, date and time of access, first line of the request, bytes transmitted, the page you are coming from (referrer) and the browser from which the request is coming (user agent).

Person-specific information and passing on to third parties

Person-specific information is used only to the required extent (e.g. in a contact request using the form this website offers) and only for the purpose which you voluntarily consented to or is legally permitted. We shall only communicate the information to the required extent if it is necessary to employ subcontractors or other agents who need this information in order to perform the services which you would like to make use of. In such cases we require our partners to treat the information confidentially in accordance with legal provisions, and to delete it promptly as soon as it is not needed anymore.

The use of cookies

Some pages of could be using cookies or other technologies. This makes it easier for us to help you when you return to our website. You can change the settings of your browser to make it notify you when you receive a cookie and you want to refuse it. You can also configure your browser to make it refuse all cookies in principle. This can lead to problems in the functionality of some websites, however.

Data privacy statement for the use of Google Analytics

This website uses Google Analytics, a web analysis service of Google Inc. (“Google”). Google Analytics uses so-called "cookies", which are text files that are saved on your computer and allow an analysis of your use of the website. Usually the information about your use of this website which the cookie generates is transmitted to a Google server in the USA and saved there.
In cases where IP anonymization is activated on this website, however, in member states of the European Union as well as in states of other parties to the Agreement on the European Economic Area your IP address will be truncated by Google beforehand. The full IP address will be sent to a Google server in the USA and truncated there only in exceptional cases. On behalf of the operator of this website Google will use this information to analyse your use of the website, to compile reports on website activity, and to provide other services associated with website and internet use to the website operator.
The IP address transmitted by your browser in the Google Analytics process will not be merged with other Google data. You can prevent the saving of cookies by changing certain settings in your browser; however we point out that in this case you may not be able to use in full all of the functions this website offers. Moreover, by downloading and installing the browser plugin that can be accessed when you click on the following link you can prevent Google from acquiring and processing the data (including your IP address) on your usage of the website which the cookie generates:

As an alternative to the browser plugin or in browsers on mobile devices please click on the following link to create an opt-out cookie, which will prevent future acquisition by Google Analytics within this website (this opt-out cookie works only in this browser and only for this domain; should you delete your cookies in this browser, you will have to click on this link again): Deactivate Google Analytics

More information about terms of use and privacy protection can be found at or at Please note that this website uses Google Analytics with the “anonymizeIp” extension and hence IP addresses are only further processed in truncated form, to prevent them being directly linked to a specific individual in any way.

Data privacy statement for the use of Facebook plugins ("Like" button)

Integrated into our pages are plugins of the social network Facebook, 1601 South California Avenue, Palo Alto, CA 94304, USA. At our site the Facebook plugins can be recognized by the Facebook logo or the "Like" button. An overview of Facebook plugins can be found here:

When you visit our website a direct connection between your browser and the Facebook server is established by the plugin. This way Facebook receives the specific information that you have visited our site with your IP address. If you click on the Facebook "Like" button while you are logged in at your Facebook account you can link the content of our site to your Facebook profile. This way Facebook can allocate the visit to our site to your user account. We point out that we, as provider of the pages/site, receive no information about the content of the transmitted data nor its use by Facebook. More information about this can be obtained in Facebook's data policy statement at

Please log out of your Facebook user account if you do not wish Facebook to be able to allocate your visit to our site to your Facebook user account.

Data privacy statement for the use of Twitter

Our website incorporates functionality of the Twitter service. This functionality is offered by Twitter Inc., 1355 Market St, Suite 900, San Francisco, CA 94103, USA. By using Twitter and the "Re-Tweet" function the pages you visit are linked to your Twitter account and revealed to other users. In the process data is also sent to Twitter.

We point out that we, as provider of the pages/site, receive no information about the content of the transmitted data nor its use by Twitter. More information about this can be obtained in Twitter's data privacy statement at

You can change your privacy settings at Twitter in the account settings at