The editorial group responsible for this previously published document have withdrawn it from publication.
Reason for withdrawal
The review was withdrawn, as of Issue 3, 2013, because it is substantially out-of-date. To view the published versions of this article, please click the 'Other versions' tab.
Last assessed as up-to-date: 1 April 2004.
Protocol first published: Issue 3, 1998
Review first published: Issue 3, 2000
Sources of support
- Health Research Council of New Zealand, New Zealand.
- New Zealand Orthopaedic Association, New Zealand.
- Auckland Orthopaedic Association, New Zealand.
- No sources of support supplied