This web site collects and stores information about the surfing behaviour of its visitors for marketing purposes and in anonymised form. This information is stored on your computer using Cookies and make it possible to analyse the surfing behaviour in anonymised form. Cookies provide information on such things as the city from which you are accessing the site, what browser and operating system you are using, and which pages you surfed to in the web site. In no event can the captured data be used to trace the identity of visitors to this website. The captured data is merely used to improve the site. For this reason, all IP addresses are truncated, so that IP addresses are only processed in anonymised form. The data is not used in any other way, nor is it disclosed or forwarded to third parties. You may opt out of this completely anonymous analysis of your surfing behaviour by clicking on the ‘Opt out’ link below.