| Date | Event | Description |
|---|---|---|
| 17 September 2009 | Amended | Search updated. Twenty‐one new reports added to 'Studies awaiting classification'. |
| 24 April 2008 | Amended | Converted to new review format. |
| 31 July 2006 | Feedback has been incorporated | Feedback from Steve Thornton, Khalid S Khan, and Patrick FW Chien added, with a reply from Dimitri Papatsonis on behalf of the review authors. Feedback from Jim Thornton added, with a reply from Vicki Flenady, Dimitri Papatsonis, James King and Helen Liley on behalf of the authors for the ORA and CCB reviews. |
| 1 December 2005 | Feedback has been incorporated | Feedback from Mats Åkerlund, Karel Marsl and Ingemar Ingemarsson added, with a reply from Dimitri Papatsonis on behalf of the review authors. |
| 1 September 2005 | Feedback has been incorporated | Feedback from Murphy Goodwin added, with a reply from Dimitri Papatsonis. |
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