1. Western Australian Centre for Cancer and Palliative Care and Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, Australia,
2. Western Australian Centre for Cancer and Palliative Care and Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, Australia
3. Calvary Health Care Sydney and the Cunningham Centre for Palliative Care, Sydney, Australia, Western Australian Centre for Cancer and Palliative Care and Curtin Health Innovation Research Institute; School of Nursing, Midwifery & Post Graduate Medicine, Edith Cowan University, Perth, Australia
4. School of Medicine and Pharmacology, University of Western Australia, Department of Medical Oncology, Sir Charles Gairdner Hospital, Perth, Australia