1. Primary Palliative Care Research Group, Division of Community Health Sciences, University of Edinburgh, UK,
2. Primary Palliative Care Research Group, Division of Community Health Sciences, University of Edinburgh, UK, St Columba's Hospice Edinburgh, UK
3. Marie Curie Hospice Edinburgh, Edinburgh, UK
4. St Columba's Hospice, Edinburgh, UK, Primary Palliative Care Research Group, Division of Community Health Sciences (General Practice), University of Edinburgh, UK