1. Southern Adelaide Palliative Services, Repatriation General Hospital, Daw Park, South Australia, Australia.
2. Department of Palliative Care, Braeside Hospital, Prairiewood, New South Wales, Australia.
3. Discipline, Palliative and Supportive Services, Flinders University, Bedford Park, South Australia, Australia.
4. Department of Palliative Medicine, Calvary Mater Newcastle, Waratah, New South Wales, Australia.
5. Division of Medical Oncology, Department of Medicine, Duke University Medical Centre, Durham, North Carolina.