Date | Event | Description |
---|---|---|
27 March 2014 | Amended | Contact details updated. |
21 June 2012 | New search has been performed | Search updated; 26 newly identified reports added to studies awaiting classification, including five reports of three ongoing studies (CHORUS #; Kumar #; Onda #). |
21 June 2012 | New citation required and conclusions have changed | One new trial (EORTC 55971) included. Conclusions changed. |