| Date | Event | Description |
|---|---|---|
| 22 December 2010 | New citation required and conclusions have changed | Searches updated to October 2010. One new trial identified and added. Meta‐analysis of global assessment of improvement added. SoF tables added. Changes in ADL moved to the secondary outcome measures. Discussion and conclusions updated. |
| 17 August 2010 | New search has been performed | Searches updated to July 2009. One new study identified and included. Added 'Changes in activities of daily living' as second primary outcome measure. Meta‐analyses extended. Risk of bias tables added. Discussion and conclusions updated. |
| 3 November 2008 | Amended | Converted to RevMan 5 |
| 15 May 2008 | Amended | Converted to new review format. |
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