The full article is accessible to AMA members and paid subscribers. Login to read more or purchase a subscription now.
Please note: institutional and Research4Life access to the MJA is now provided through Wiley Online Library.
- Christopher J Black
- Alexander C Ford
- Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, UK
Correspondence: A.C.Ford@leeds.ac.uk
Competing interests:
No relevant disclosures.
Online responses are no longer available. Please refer to our instructions for authors page for more information.
Summary