The author assumes no liability for the correctness, accuracy, timeliness, reliability and completeness of the information. Liability claims against the author for material or immaterial damage resulting from access to or use or non-use of the information published, misuse of the connection or technical faults are excluded. All offers are non-binding. The author expressly reserves the right to change, add to or delete parts of the pages or the entire offer, or to temporarily or permanently stop publication thereof without prior notice.