
Esta revisión se retiró de The Cochrane Library, número 3, 2009, ya que los autores no podían actualizarla. La revisión será actualizada por un nuevo equipo de autores.
Last assessed as up‐to‐date: 19 May 2006.
|
Date |
Event |
Description |
|
19 April 2008 |
Amended |
Converted to new review format. |
Protocol first published: Issue 3, 1998
Review first published: Issue 1, 2000
|
Date |
Event |
Description |
|
27 February 2006 |
New search has been performed |
Searches conducted. Electronic literature searches were repeated in February 2006; one additional trial was found and excluded. |
|
24 June 2003 |
New search has been performed |
Searches conducted. |
|
10 March 2003 |
Feedback has been incorporated |
Response to Feeback added to review. |
|
4 March 2003 |
Feedback has been incorporated |
Feedback added to review. |
|
27 February 2001 |
New search has been performed |
Searches conducted. |
|
20 February 1999 |
New search has been performed |
Searches conducted. |