- Correspondence to Dr Rachael L Murray, Division of Epidemiology and Public Health, UK Centre for Tobacco and Alcohol Studies, University of Nottingham, Clinical Sciences Building, City Hospital, Nottingham NG5 1PB, UK;
- Received October 31, 2017
- Revised January 5, 2018
- Accepted January 5, 2018
- First published February 5, 2018.
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