1. Limitation of liability

The contents of this website have been created with utmost care. However, the provider does not guarantee the accuracy, completeness and actuality of the contents. Utilisation of the website’s contents is at the user's own risk. Named contributions reflect the opinion of the respective author and not necessarily the opinion of the provider. The mere utilisation of the provider's website does not lead to any contractual relation between the user and the provider.

2. External links

This website contains links to other websites (“external links”). Their respective operators are responsible for these websites. During the first connection to external links the provider has consequently ascertained whether the external contents leads to legal violations. At that time no legal violations were apparent. The provider has no influence on the current and future design and content of the linked pages. The inclusion of external links does not imply that the provider adopts the content of these references or links. A permanent check of external links by the provider is not feasible without concrete evidence of violations. In the case of knowledge concerning legal infringements, such external links will be deleted immediately.

3. Copyright and performance rights

The information published on this website is subject to German copyright and ancillary copyright law. Any use which is not permitted under German copyright and ancillary copyright law requires the prior written consent of the provider or of their respective owners. This applies in particular to copying, editing, translation, storage, data processing or reproduction of content in databases or other electronic media and systems. Contents and rights of third parties have been marked as such. The unauthorised reproduction or distribution of content or complete pages is prohibited and punishable by law. Only the production of copies and downloads for personal, private and non-commercial use is permitted.

Presentation of this website in external frames is only allowed after written permission.

4. Data protection

By visiting the website information as to the access (date, time, page viewed) are stored. These data are not considered personal data and have been made anonymous. They are evaluated for statistical purposes only. Disclosure to third parties for commercial or non-commercial purposes does not take place.
The provider explicitly points out that data transmission via the Internet (e.g., e-mail communication) may lead to security gaps and can not be completely protected from access by third parties.
The use of contact information of the imprint for commercial advertising is explicitly not permitted, unless the provider has given a written consent or a business relation already exists. The provider and all persons named on this website object to any commercial use and disclosure of their data.

Personal data
Our website can be visited without having to forward personal information. As to the degree of enlisting personal data (e.g., name, address or e-mail address), this only occurs as far as possible on a voluntary basis. These data will not be forwarded to third parties without your explicit consent. In case a contract between you and us has been arranged or amended, or if you have a request, we collect and utilise your personal information to the degree necessary for those purposes (inventory data). We collect, process and apply personal data to the degree required for enabling you to utilise our web offers (usage data). All personal data are stored only for as long as the purpose requires (processing your request or handling of a contract). Here, tax and commercial law retention periods are taken into account. At the order of the respective authorities, we are allowed in individual cases to provide information on these data (inventory data) to the degree required for purposes of law enforcement, security, to meet statutory duties of the constitutional protection authorities or the military or for the enforcement of intellectual property rights.

Comment functions
As part of the comment function we collect personal data (e.g., name, e-mail address) as part of your comment on a contribution only to the degree communicated to us. Whenever a comment is published the e-mail address indicated is saved, but not published. Your name will be published if you have not written under a pseudonym.

Data Protection Statement as to the Piwik Web Analytics Service
Our website uses Piwik, a web analytics service. Piwik uses “cookies”, i.e., text files stored on your computer and allowing us to analyse the use of the website. To this end, the usage data generated by the cookie (including your abbreviated IP address) is transmitted to our server and stored for the aim of analysis, which helps us to optimise the website. In this process, your IP address is immediately anonymised, so that you as a user will remain anonymous to us. The information the cookie generates on your use of this site will not be provided to third parties. You may refuse the application of cookies by changing the settings in your browser, but it may well be that in this case you will not be able to use all features of this website.
If you do not agree with the storage and analysis of these data resulting from your visit, you can by means of a mouse click object to the storage and usage at all times. In this case, a so-called “opt-out cookie” is stored in your browser, with the result that Piwik does not collect session data.
Warning: If you delete your cookies, the opt-out cookie will subsequently also be deleted and you may need to re-activate it.


Data Protection Statement for use of the Facebook plugin (“Like” button)
This website uses plugins of the provider as provided by the company Facebook Inc., 1601 S. California Avenue, Palo Alto, CA 94304, USA. Users of our website on which the Facebook plugin (“Like” button) is installed are hereby notified that by means of the plugin a connection is established to Facebook, whereby a transmission is performed on the browser so that the plugin is displayed on the website.
Furthermore, as a result of the usage data will be forwarded to the Facebook servers, which contain information about your website visits to our homepage. This implies for logged-in Facebook users that their user data will be assigned to their personal Facebook account.
Once you are logged-in as a Facebook user and actively use the Facebook plugin (e.g,, by clicking on the “Like” button or by applying the comment function), these data are transferred to your Facebook account and published. You can only avoid this by logging out of your Facebook account.
For more information regarding the use of data by Facebook, please refer to the Data Policy statement on Facebook at

Data Protection Statement for use of the Direct Message service
We have also integrated the web message service in our website. This is provided by Twitter Inc., 1355 Market St, Suite 900, San Francisco, CA 94103, USA. Twitter offers the so-called “Tweet” function with which you can publish 140-character messages with website links in your own Twitter account. If you utilise the “Tweet” feature of Twitter on our website, each page is associated with your account on Twitter and perhaps made public there. These data are also transmitted to Twitter.
We receive no information on the content of the data transmitted or their usage by Twitter. Therefore, for further information, consult the privacy statement of Twitter:
Twitter offers the following link for setting one’s own privacy settings:

Right to information
You have the right to inquire about the collection of your personal data at any time, free of charge and without delay. At any time, you have the right to revoke your consent to any usage of your personal data in the future. For more information, please contact the vendor by means of the contact details in the imprint.

5. Special Conditions of Use

Whenever special conditions for individual use of this website deviate from the afore-mentioned numbers 1-4, this will be explicitly stated at the appropriate place. In such a case, special conditions of use apply in each respective case.