Privacy policy


All the information made available on this website was correct and complete when it was supplied. We apologize for unintentional errors.

Author and right of use notice

The content on this website is protected by international copyright. We do not grant the right to reproduce individual pieces for personal or commercial use. No part of the works presented on this website may be reproduced in any form (by photocopy, microfilm or any other procedure) or stored, processed, multiplied or distributed using electronic systems without written permission of the authors.

Liability for links

Our service includes links to external websites but we have no influence over, and cannot accept responsibility for, their content. Responsibility for content lies with the provider or operator of the linked website in question. Linked websites were checked for legal irregularities when the link was established and no illegal contents were recognisable at that point in time. In the absence of specific reasons for suspecting legal violations, we cannot be expected to continuously monitor the contents of linked pages. If we become aware of illegal content, we will immediately remove the links in question.

Privacy policy statement on use of Facebook plugins (‘Like’ button)

Plugins from the Facebook social network (1601 South California Avenue, Palo Alto, CA 94304, USA) are integrated in our website. You can identify Facebook plugins by the Facebook logo or the ‘Like’ button. For an overview of Facebook plugins, visit Whenever you visit our website, a direct connection is established via the plugin between your web browser and the Facebook server. Facebook is then notified that your IP address has visited our website. If you click the Facebook ‘Like’ button while you are logged into your Facebook account, you can link our web content with your Facebook profile. This enables Facebook to verify your visit to our web pages on your user account. As the website provider, we wish to point out that we have no knowledge of the content of the transferred data or how Facebook uses it. For more information about this, refer to the Facebook privacy statement at If you do not want Facebook to be able to assign your visit to our website to your Facebook user account, please log out of your Facebook user account.

Privacy policy statement regarding the use of Google Analytics

This website uses Google Analytics, a web analysis service provided by Google Inc. (‘Google’). Google Analytics uses ‘cookies’ (text files saved on your computer that make it possible to analyse your use of the website). The information generated by the cookie about your use of this website (including your IP address) is generally transferred to a Google server in the USA, where it is saved. Google will process this data to evaluate your use of this website, compile reports about this website’s activity on behalf of the website operators, and render other services connected with website and Internet use. Google will also forward this data, if applicable, to third parties, insofar as this is legally required or if these third parties use the supplied data on behalf of Google. Under no circumstances will Google use your IP address in connection with other data supplied by Google Inc. You can prevent the storage of cookies by choosing relevant settings for your browser software; if you do so, however, we should point out that you may not be able to access fully all the resources of this website. You can prevent Google from capturing or processing data generated by the cookie referring to your utilisation of the website (including your IP address) by downloading and installing a browser plugin via the following link: