1. Southern Adelaide Palliative Services, Repatriation General Hospital, Adelaide, South Australia, Australia.
2. Discipline, Palliative and Supportive Services, Flinders University, Adelaide, South Australia, Australia.
3. Department of Rehabilitation and Aged Care, Repatriation General Hospital, Daw Park, South Australia, Australia.
4. Clinical Hematology, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
5. Clinical Pathology, University of Adelaide, Adelaide, South Australia, Australia.