About the Authors

Christopher Millett, Jeremy Gray
Wandsworth Primary Care Research Centre, Wandsworth Primary Care Trust, London, United Kingdom

Christopher Millett, Sonia Saxena, Gopalakrishnan Netuveli, Azeem Majeed
Department of Primary Care and Social Medicine, Imperial College, London, United Kingdom

Kamlesh Khunti
Department of Health Sciences, Leicester General Hospital, University of Leicester, Leicester, United Kingdom

Corresponding Author

c.millett@imperial.ac.uk

Competing Interests

AM is Associate Director (Primary Care) of the English Diabetes Research Network. KK is codirector of a local English Diabetes Research Network.

Author Contributions

CM, JG, and AM conceived the study. CM and GN performed the statistical analyses. All authors contributed to the data interpretation. CM wrote the first draft of the manuscript and all authors contributed to the revision and approved the final version. CM is the guarantor for the study, had full access to all the data in the study, and had final responsibility for the decision to submit for publication.