Reason for withdrawal from publication
Authors have indicated they are not going to update this review.
The editorial group responsible for this previously published document have withdrawn it from publication.
What's new
| Date | Event | Description |
|---|---|---|
| 4 April 2011 | Amended | Authors have indicated they are not going to update this review. |
History
Protocol first published: Issue 1, 1998 Review first published: Issue 2, 2000
| Date | Event | Description |
|---|---|---|
| 13 May 2008 | Amended | Converted to new review format. |
| 31 March 1998 | New citation required and conclusions have changed | Substantive amendment |
Sources of support
Internal sources
Management Decision and Research Center‐Department of Veterans Affairs HSRD, USA.
Minneapolis/VISN‐13 Center for Chronic Disease Outcomes Research, USA.
External sources
No sources of support supplied
Withdrawn from publication for reasons stated in the review