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We point out that this website uses Google Analytics to the code "gat._anonymizeIp ()" has been enhanced to ensure an anonymous collection of IP addresses (known as IP masking).
We use Google Analytics to also analyze data from AdWords, and the Double-cookie for statistical purposes. If you do not want this, you can disable this via the Ads Preferences Manager (http://www.google.com/settings/ads/onweb/?hl=de).