| Date | Event | Description |
|---|---|---|
| 10 July 2012 | Amended | Update search of Cochrane Schizophrenia Group's Trial Register (see Search methods for identification of studies), one study added to awaiting classification. |
| 5 October 2011 | Amended | Contact details updated. |
| 19 January 2011 | Amended | Contact details updated. |
| 10 November 2010 | Amended | Contact details updated. |
| 11 November 2009 | Amended | Contact details updated. |
| 20 July 2009 | Amended | Plain Language Summary added |
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