The editorial team have decided to withdraw this review 'Advice to stay active as a single treatment for low-back pain and sciatica' from publication until an update has been submitted and approved for publication.
This article is related to a Cochrane Protocol or Review which is published in the Cochrane Database of Systematic Reviews where it will be regularly updated. Cochrane Reviews are of a high standard and are not evaluated by CRD. The link is: http://www.mrw.interscience.wiley.com/cochrane/clsysrev/articles/CD003632/frame.html