[1] Royal N Shore Hosp, Palliat Care Dept, St Leonards, NSW 2065, Australia
[2] Univ Sydney, Med Psychol Res Unit, Sydney, NSW 2006, Australia
[3] Univ Sydney, NHMRC Clin Trials Ctr, Camperdown, NSW, Australia
[4] Univ Sydney, Sch Psychol, Sydney, NSW 2006, Australia
[5] Flinders Univ S Australia, Palliat & Support Serv, Bedford Pk, SA, Australia
[6] Royal Prince Alfred Hosp, Sydney Canc Ctr, Dept Palliat Care, Sydney, NSW, Australia
[7] Canc Council Australia, Camperdown, NSW, Australia
[8] Univ Sydney, Dept Canc Med, Sydney, NSW 2006, Australia