The authors do not guarantee the correctness, accuracy, timeliness, reliability and completeness of the information. Liability claims regarding damage caused by the use of any information provided, including any kind of information which is incomplete or incorrect, will therefore be rejected. All offers are non-binding. Parts of the pages or the complete publication including all offers and information might be extended, changed or partly or completely deleted by the author without separate announcement.

This website uses Google Analytics, a web analytics service provided by 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 (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google’s behalf. Google will not associate your IP address with any other data held by 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. By using this website, you consent to the processing of data about you by Google in the manner and for the purposes set out above.

We do not collect any personal data via our website without your consent. You alone decide whether or not you wish to disclose this data to us, for example in the context of a registration. We need your personal data to answer your inquiry, to process your order or to provide you with access to special information or offers. We will neither sell your personal data to third parties nor market it in any other way.

You can revoke your consent to the collection, processing and use of your personal data at any time.

Sie können jederzeit Ihre Einwilligung zum Erheben, Verarbeiten und Nutzen Ihrer personenbezogenen Daten widerrufen.

What are cookies?
Cookies are small text files. They are stored on your computer when you visit a website. Cookies make it possible to recognize a visitor (device) and save settings. They thus contribute to efficient navigation from page to page and improve your visit experience on our website.

Why do we use cookies? We want to understand how visitors use our website. This is essential to help us continually improve. To do this, we use web analytics services such as Google Analytics (see explanations below). These count visitors and give us information about their behavior. For example, they show us which terms are searched for (in conjunction with another Google product, Search Console) or how long a visitor stays on a page. For this purpose, we store a “first-party analytics cookie” on your computer.

How do you prevent cookies on your device?
You can either reject cookies in principle via your browser or set a message to be displayed as soon as a cookie is to be stored. You can also delete cookies that have already been saved in your browser.

If you want to restrict or block cookies stored on your device, you can do this via your browser settings. You can find comprehensive help and information in the help function of your browser.

Links to the main browsers:

* Firefox,

* Google Chrome,

* Internet Explorer and

* Safari

If you have any questions or comments about our privacy policy (for example, about viewing and updating your personal data), please contact us. The further development of the Internet also affects our data protection strategy. We will announce any changes on this page in good time.