Our site contains links to external third-party websites over which we have no control. Therefore we do not undertake any liability for these third-party contents. The respective provider or operator of such sites is always responsible for the contents of the linked pages. The linked sites were checked at the time of linking for possible violations of the law. Illegal contents were not recognisable at that time. A constant monitoring of the content of the linked pages is not reasonable without concrete evidence of unlawful content. Upon notification of violations, we will remove such links immediately.