Date | Event | Description |
---|---|---|
8 August 2012 | New search has been performed | Review updated August 2012. Seven new studies in this update (Balakier 2009; Fang 2010; Ge 2008; Germond 2004; Hagemann 2010; Kutlu 2010; and Valojerdi 2010). |
8 August 2012 | New citation required but conclusions have not changed | Seven new studies added; no change to conclusions. |
17 June 2008 | New search has been performed | New search identified four new randomised controlled trials, which have been added. Conclusions have not changed. |
15 May 2008 | Amended | Converted to new review format. |
18 September 2007 | New citation required and conclusions have changed | Substantive amendment |