[1] Univ Leeds, Leeds Inst Hlth Sci, Div Primary Care Palliat Care & Publ Hlth, St Gemmas Acad Unit Palliat Care, Level 10,Worsley Bldg, Leeds LS2 9NL, England
[2] Marie Curie, Policy & Res Team, London, England
[3] Univ Leeds, Div Primary Care Palliat Care & Publ Hlth, St Gemmas Acad Unit Palliat Care, Leeds, England
[4] Bradford Dist Care NHS Fdn Trust, Bradford, England
[5] Independent Patient & Publ Involvement PPI Represe, Bradford, England
[6] Univ Leeds, Leeds Inst Hlth Sci, Leeds, England