1. Department of Supportive and Palliative Care, University Hospitals Birmingham, Birmingham, UK
2. Department of Supportive and Palliative Care, Birmingham St Mary’s Hospice, Birmingham, UK
3. Department of Supportive and Palliative Care, University Hospitals of Coventry and Warwickshire, Coventry, UK
4. Unit of Academic Primary Care, University of Warwick, Coventry, UK