Use of our website is usually possible without providing personal information . The collection of any personal data ( eg name, address or e- mail address) , this is as far as possible, on a voluntary basis. These data are not without your express consent. We point out that data transmission over the Internet ( eg communication by e -mail ) security vulnerabilities. A complete protection of data against unauthorized access by third parties is not possible. The use of published under the imprint obligation by third parties for the transmission of unsolicited advertising and information materials is hereby expressly excluded. The operators of this website reserve the right to take legal action in case of unsolicited advertising information, such as spam e - mails.