1. Department of Palliative Care, Policy and Rehabilitation; Cicely Saunders Institute, King's College London; London; UK
2. School of Public Health and Psychosocial Studies and School of Rehabilitation and Occupational Studies; Auckland University of Technology; Auckland; New Zealand
3. Department of Palliative Care; King's College Hospital; London; UK
4. Department of Haematological Medicine; King's College Hospital and; King's College London; London; UK