- Correspondence to Dr Catriona Rachel Mayland, Marie Curie Palliative Care Institute Liverpool (MCPCIL), Cancer Research Centre, University of Liverpool, 200 London Road, Liverpool L3 9TA, UK;
- Received 7 November 2014
- Revision received 11 December 2015
- Accepted 1 September 2016
- Published online 1 September 2017.
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