- Correspondence to Dr Jason Boland, Senior Lecturer and Honorary Consultant in Palliative Medicine, Palliative Medicine, Hull York Medical School, University of Hull, Hull, HU6 7RX, UK;
- Received July 29, 2013
- Revision received October 3, 2013
- Accepted October 11, 2013
- First published December 27, 2013.
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