- Correspondence to Dr C Hawley, Division of Mental Health and Wellbeing, Warwick Medical School, Coventry CV4 7AL, UK;
- Received 17 March 2015
- Revised 3 December 2016
- Accepted 6 December 2016
- Published in print 1 August 2017.
- Published online 19 July 2017.
- Published first 4 January 2017.
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