All offers are non-binding. The author expressly reserves the right to change, add to, or delete parts of the website or the entire offer, or to temporarily or permanently discontinue publication thereof without notice. Liability claims against the author for material or immaterial damages caused by access to the published information, the use or non-use of the same, misuse of the connection, or technical malfunctions are excluded. References and links to third-party websites are outside our area of responsibility. We assume no responsibility for such websites. Access to and use of such websites is at the user's own risk.