The contents of this website were written with due diligence and by the author’s best knowledge. We can be held liable only by general laws, especially for our own contents acc. § 7 TMG (German law on tele-media) and for external contents acc. §§ 8 – 10 TMG. As a Provider of tele-media we can be held liable for external contents only once we have knowledge of a concrete infringement of law. We reserve the right to change or delete contents of this webpage which are not subject to any contractual obligation.