1. School of Nursing, Edith Cowan University, Churchlands, Western Australia
2. Cancer Care Nursing, University of Hull, East Yorkshire, United Kingdom
3. Palliative Care, Neringah Hospital, Wahroonga, New South Wales, Australia
4. Faculty of Nursing, University of Manitoba, Winnipeg, Manitoba, Canada
5. Department of Mathematics and Statistics, Edith Cowan University, Western Australia, Australia