This website contains links to third party websites on which we do not have any influence concerning the content. Therefore we can not assume liability for the external content. The liability for the content of the linked sites is always taken by the particular provider or operator of the site. The linked sites have been tested about any possible infringement before setting the link. However, a permanent control of the linked sites is not reasonable without any concrete clue of infringement. Links will be removed immediately if we find out about any infringement.