1. Discipline, Palliative and Supportive Services, Flinders University, Daw Park, South Australia, Australia.
2. Department of Palliative Care, Braeside Hospital, Prairiewood, New South Wales, Australia.
3. University of New South Wales, South West Sydney Clinical School, New South Wales, Australia.
4. Southern Adelaide Palliative Services, Repatriation General Hospital, Daw Park, South Australia, Australia.
5. Drug and Therapeutic Information Service, Repatriation General Hospital, Daw Park, South Australia, Australia.
6. Division of Medical Oncology, Department of Medicine, Duke University Medical Center, Durham, North Carolina.