1. Department of Palliative and Supportive Services, Flinders University, Daw Park, South Australia; Department of Palliative Care, Braeside Hospital, Prairiewood, New South Wales
2. Department of Palliative and Supportive Services, Flinders University, Daw Park, South Australia
3. Department of Anaesthesia, Flinders Medical Centre, Bedford Park, South Australia
4. Department of Palliative and Supportive Services, Flinders University, Daw Park, South Australia; Division of Medical Oncology, Department of Medicine, Duke University Medical Center, Durham, North Carolina