| Date | Description |
|---|---|
| 2015-03-31 | delete person Sergio Canavero |
| 2015-02-26 | insert person Sergio Canavero |
| 2014-05-19 | delete person Hiroshi Lockheimer |
| 2014-05-19 | delete person Recep Tayyip Erdogan |
| 2014-04-13 | insert person Hiroshi Lockheimer |
| 2014-04-13 | insert person Recep Tayyip Erdogan |
| 2013-12-26 | delete person Charles Francis |