1. Faculty of Science, Medicine and Health, University of Wollongong, 2522, Wollongong, Australia
2. IMPACCT, Faculty of Health, University of Technology Sydney, 2007, Ultimo, Australia
3. Department of palliative care, Nurse Maude Hospice, 8014, Christchurch, New Zealand
4. Department of Medicine, University of Otago, 8011, Christchurch, New Zealand