Reason for withdrawal from publication
This protocol for a Cochrane Review is out of date. The authors have abandoned it.
withdrawn
The editorial group responsible for this previously published document have withdrawn it from publication.
History
Protocol first published: Issue 2, 2008
| Date | Event | Description |
|---|---|---|
| 29 October 2008 | Amended | Converted to new review format. |
Sources of support
Internal sources
No sources of support provided
External sources
No sources of support provided
Withdrawn from publication for reasons stated in the review