[1] Univ Melbourne, Dept Med, St Vincents Hosp Melbourne, POB 2900, Fitzroy, Vic 3065, Australia
[2] Peter MacCallum Canc Ctr, Parkville Integrated Palliat Care Serv, East Melbourne, Vic, Australia
[3] Royal Melbourne Hosp, Palliat Care Serv, Melbourne, Vic, Australia
[4] Modbury Hosp, North Adelaide Palliat Serv, Adelaide, SA, Australia