[1] Kings Coll London, Dept Palliat Care Policy & Rehabil, Weston Educ Ctr, London SE5 9RJ, England
[2] Univ Lancaster, Sch Hlth & Med, Int Observ End Life Care, Lancaster LA1 4YT, England
[3] St James Univ Hosp, St Jamess Inst Oncol, Leeds LS9 7TF, W Yorkshire, England
[4] Univ Edinburgh, St Columbas Hosp Chair Primary Palliat Care, Primary Palliat Care Res Grp, Div Community Hlth Sci, Edinburgh EH8 9DX, Midlothian, Scotland