1. Freemasons’ Department of Geriatric Medicine, University of Auckland, Auckland, New Zealand
2. Faculty of Epidemiology and Population Health & Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
3. Department of Medicine, University of Auckland, Auckland, New Zealand
4. Department of Surgery, University of Auckland, Auckland, New Zealand
5. Primary Care, Department of General Practice and Primary Healthcare, University of Auckland, Auckland, New Zealand
6. Waitemata District Health Board, University of Auckland, and Geriatrician, Auckland, New Zealand