1. Locum Specialist in Palliative Medicine, North Shore Hospice, 7 Shea Terrace, Takapuna, Auckland, 0622 New Zealand;
2. Centre for Medical and Health Sciences, University of Auckland, Auckland, New Zealand, and University of Bedfordshire, Luton, UK;
3. McCulloch House, Supportive and Palliative Care Unit, Melbourne, Australia;
4. Department of General Practice and Primary Health Care, School of Population Health, University of Auckland, Auckland, New Zealand