All persons who are mentioned on this website strongly object to the use of their addresses for commercial purposes (§ 28 of the German Federal Law on the Protection of Privacy) Remarks on external links This web-site contains external links which lead to web-sites of third parties. The contents, design, and data safety of these external web-sites are the responsibility of the respective system operators. While creating the external link, the content was checked. Because a continual check on changes is not possible, I explicitly dissociate myself from all contents, that could possibly be relevant for criminal or legal prosecution, or that offend against accepted standards of behaviour. The use of the external links is at your own risk. If a link should lead to a criminal or offensive content, you are requested to send us a notification. General rules of liability No responsibility is accepted for the correctness of the information given on this web site. For the correctness, completeness, topicality, or accuracy of the information, especially of the postal addresses, no responsibility is accepted.If incorrect or incomplete information has been found, we would appreciate receiving a notification.