Reason for withdrawal from publication
This review has been withdrawn from publication after methodological errors were discovered in the analyses that have affected the results, conclusions and recommendations for practice. A revised version of the review will be published when these errors have been corrected.
The editorial group responsible for this previously published document have withdrawn it from publication.
What's new
| Date | Event | Description |
|---|---|---|
| 20 May 2008 | Amended | Converted to new review format. |
Sources of support
Internal sources
Academic Unit of Musculoskeletal and Rehabilitation Medicine University of Leeds, UK.
Centre for Rehabilitation and Human Performance Research, University of Salford, UK.
External sources
No sources of support supplied
Withdrawn from publication for reasons stated in the review