- Correspondence to Dr Annette Edwards, Consultant in Palliative Medicine, Withybush General Hospital, Fishguard Road, Haverfordwest, Pembrokeshire SA61 2PZ, UK;
- Received 6 January 2017
- Revision received 22 February 2017
- Accepted 23 February 2017
- Published online 8 May 2017.
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