Use of our website is usually possible without providing personal information. If personal data (such as name, address or email address) is requested, this is as far as possible on a voluntary basis. These data will not be forwarded to third parties without your consent We point out that data transmission over the internet (e.g. communication by e -mail) can have security gaps. A complete protection of misuse by third parties is not possible. Third parties are hereby prohibited from using the published contact data for sending unsolicited advertisements and information materials. The site operators reserve the right to take legal action in case of unsolicited advertising, such as spam e- mails.