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History
- Received September 8, 2015
- Revision requested October 6, 2015
- Accepted November 30, 2015
- Published online February 25, 2016.
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- Previous version (February 7, 2016 - 16:05).
- Previous version (February 9, 2016 - 06:46).
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Copyright & Usage
© British Journal of General Practice 2016 This is an OpenAccess article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Author Information
- Cristina Renzi, MD, Senior clinical research associate
- Katriina L Whitaker, PhD, Senior lecturer
- Kelly Winstanley, PhD, Research associate
- Susanne Cromme, MSc, Research assistant
- Jane Wardle, PhD, Director
- Address for correspondence
Cristina Renzi, University College London, Department of Epidemiology and Public Health, Health Behaviour Research Centre, 1–19 Torrington Place, London WC1E 6BT, UK. E-mail: c.renzi{at}ucl.ac.uk