1. Academic Unit of Supportive Care, University of Sheffield
2. Nottingham Primary Care Research Partnership Research and Development Department, Hucknall Health Centre, Nottingham
3. Palliative and End-of-Life Care Research Group
4. Department of Community, Ageing, Rehabilitation, Education and Research, School of Nursing and Midwifery, University of Sheffield
5. Academic Unit of Supportive Care, University of Sheffield, UK