[1] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehabi, Florence Nightingale Fac Nursing Midwifery & Pall, London, England
[2] Columbia Univ, Columbia Spatial Epidemiol Lab, Mailman Sch Publ Hlth, New York, NY USA
[3] Kings Coll Hosp NHS Fdn Trust, Cicely Saunders Inst, Palliat Care, London, England
[4] RMIT Univ, Sch Global Urban & Social Studies, Melbourne, Vic, Australia