1. Public Health Palliative Care Unit, School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia
2. Discipline of Speech Pathology, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
3. School of Audiology and Speech Pathology, University of Melbourne, Victoria, Australia
4. Discipline of Speech Pathology, School of Health and Human Sciences, Southern Cross University, East Lismore, New South Wales, Australia