- Correspondence to Professor Adrian R Martineau, Centre for Primary Care and Public Health, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 58 Turner St, London E1 2AB, UK;
- Received October 15, 2014
- Revised January 21, 2015
- Accepted January 27, 2015
- First published February 27, 2015.
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