| Date | Description |
|---|---|
| 2022-08-18 | delete phone 20210212184745 |
| 2019-10-04 | delete address 1600 Amphitheater Parkway, Mountain View, CA 94043, USA |
| 2018-07-01 | insert fax +49 (0) 2175- 169 78-9 |
| 2018-07-01 | insert phone +49 (0) 2175- 169 78-0 |
| 2018-05-20 | insert address Moltkestrasse 25, 42799 Leichlingen, Germany |