[1] St Vincents Hosp, Ctr Palliat Care, Melbourne, Vic, Australia
[2] Univ Melbourne, Melbourne, Vic 3010, Australia
[3] Monash Univ, Dept Med, Clayton, Vic 3800, Australia
[4] Melbourne Hlth, Clin Epidemiol & Hlth Serv Evaluat Unit, Melbourne, Vic, Australia
[5] Alfred Hosp, Palliat Care Serv, Melbourne, Vic, Australia