This website contains links to third party websites (external links). These websites are liable to the respective operators. The content of the linked websites has been checked by us (the operator of the current website) on their first linkage with respect to possible statutory violation and we have not found any legal violation. We have no influence on the content of the linked pages. We cannot permanently control these externally linked pages with respect to statutory violation without concrete hints. On awareness of statutory violation these external links are removed immediately.