Liability for external sites Our site contains links to external websites over which we have no control. Therefore we can not accept any responsibility for their content. The respective provider or operator is always responsible for the contents of any linked Site. The linked sites were checked at the time of linking for possible violations of law. Illegal contents were not found at the time of linking. A permanent control of the linked pages is unreasonable without concrete evidence of a violation. Upon notification of violations, we will remove such links immediately.