1. Academic Palliative and Supportive Care Studies Group and Department of Primary Care and Mental Health, University of Liverpool, Liverpool, UK
2. Statistician, University of Liverpool, Liverpool, UK
3. Primary Care, Department of Primary Care and Mental Health, University of Liverpool, Liverpool, UK
4. Professor of Palliative Medicine, Academic Palliative and Supportive Care Studies Group and Department of Primary Care and Mental Health, University of Liverpool, Brownlow Hill, Liverpool L69 3GB, UK
5. Honorary Consultant Palliative Medicine, Marie Curie Hospice, Liverpool, Liverpool, UK
6. Liverpool CCG, Liverpool, UK
7. Liverpool Health Partners, Liverpool, UK