[1] Princess Alexandra Hosp, Dept Internal Med & Clin Epidemiol, Level 5A,Ipswich Rd, Brisbane, Qld 4102, Australia
[2] Univ Queensland, Sch Med, Med, Brisbane, Qld 4072, Australia
[3] Metro South Hosp & Hlth Serv, Metro South Palliat Care Serv, Palliat Med, 2 Clara St, Corinda, Qld 4075, Australia
[4] Metro South Hosp & Hlth Serv, Metro South Palliat Care Serv, 2 Clara St, Corinda, Qld 4075, Australia
[5] Princess Alexandra Hosp, Metro South Hosp & Hlth Serv, Metro South Clin Governance Unit, Level 3,Bldg 15,Ipswich Rd, Brisbane, Qld 4102, Australia