- Correspondence to Dr Vanessa Marvin, Department of Pharmacy, Chelsea and Westminster Hospital NHS Foundation Trust, 369 Fulham Road, London SW10 9NH, UK;
- Received 27 May 2016
- Revised 22 July 2016
- Accepted 28 July 2016
- Published in print 1 January 2017.
- Published online 20 December 2016.
- Published first 19 August 2016.
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