Cookies To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too. What are cookies? A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another. How do we use cookies? A number of our pages use cookies to remember: * if you have agreed (or not) to our use of cookies on this site * to anonymously gather statistics on how you got there and what you visited Enabling these cookies is not strictly necessary for the website to work but it will provide you with a better browsing experience. You can delete or block these cookies. The cookie-related information is not used to identify you personally and the pattern data is fully under our control. These cookies are not used for any purpose other than those described here. Further information about third-party applications can be found under impressum. How to control cookies You can control and/or delete cookies as you wish – for details, see aboutcookies.org. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed.