Reason for withdrawal from publication
This review is being withdrawn. A new review team have registered this title and will be writing a new review which reflects current methods and up to date evidence.
The editorial group responsible for this previously published document have withdrawn it from publication.
What's new
| Date | Event | Description |
|---|---|---|
| 9 July 2014 | Amended | This review is being withdrawn. A new review team have registered this title and will be writing a new review which reflects current methods and up to date evidence. |
History
Protocol first published: Issue 3, 1998 Review first published: Issue 4, 1998
| Date | Event | Description |
|---|---|---|
| 7 August 2008 | Amended | Converted to new review format. |
| 4 September 2001 | New search has been performed | New search. First update September 2001 identified nine additional citations to nine studies; of these six were excluded from the review and three require further information from the authors. |
| 24 November 1998 | New citation required and conclusions have changed | Substantive amendment |
Sources of support
Internal sources
Department of Health Studies, University of York, UK.
NHS Centre for Reviews and Dissemination, University of York, UK.
External sources
Department of Health and Personal Social Services, Northern Ireland, UK.
NHS Health Technology Assessment Programme, UK.
Withdrawn from publication for reasons stated in the review