[1] Univ Lancaster, Int Observ End Life Care, Lancaster, England
[2] Cumbria Partnership NHS Fdn Trust, Lancaster, England
[3] Cumbria Partnership NHS Fdn Trust, Penrith, Cumbria, England
[4] SUNY Stony Brook, Sch Med, Stony Brook, NY 11794 USA
[5] SUNY Stony Brook, Dept Internal Med, Stony Brook, NY 11794 USA
[6] SUNY Stony Brook, Dept Med, Stony Brook, NY 11794 USA
[7] Univ Hull, Hull York Med Sch, Kingston Upon Hull, N Humberside, England