1. Department of Medicine, Division of Medical Oncology, Duke University Medical Centre, Durham, North Carolina; Department of Palliative and Supportive Services, Flinders University, Adelaide, South Australia
2. Department of Social Work, Flinders University, Adelaide, South Australia
3. Department of Medicine, Division of Medical Oncology, Duke University Medical Centre, Durham, North Carolina
4. Department of Palliative and Supportive Services, Flinders University, Adelaide, South Australia