- Correspondence to Professor Simon Chapman, School of Public Health, University of Sydney, Edward Ford Building A27, Sydney, NSW 2006, Australia;
- Received 14 August 2016
- Revised 30 August 2016
- Accepted 6 September 2016
- Published in print 1 March 2017.
- Published online 21 March 2017.
- Published first 7 November 2016.
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