- Correspondence to Dr Nilay Hepgul, Cicely Saunders Institute, Department of Palliative Care, Policy and Rehabilitation, King's College London, London, SE5 9PJ, UK;
- Received 28 March 2017
- Revision received 26 May 2017
- Accepted 31 May 2017
- Published online 3 August 2017.
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