[1] Univ Melbourne, Melbourne Sch Hlth Sci, Dept Nursing, Fac Med Dent & Hlth Sci, Carlton, Vic, Australia
[2] St Vincents Hosp Melbourne, Ctr Palliat Care, East Melbourne, Australia
[3] St Vincents Hlth Network Sydney, Nursing Res Inst, Sydney, NSW, Australia
[4] St Vincents Hosp Melbourne, Melbourne, Vic, Australia
[5] Australian Catholic Univ, Melbourne, Vic, Australia