1. IMPACCT, Faculty of Health, University of Technology Sydney, Ultimo, NSW, Australia
2. Centre for Research in Public Health and Community Care, University of Hertfordshire, Hertfordshire, UK
3. Centre for Dementia Palliative Care Research, Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London, London, UK
4. Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands