1. Freemasons’ Department of Geriatric Medicine; Faculty of Medicine and Health Sciences; University of Auckland; Auckland New Zealand
2. Department of Statistics; University of Auckland; Auckland New Zealand
3. Health Systems; School of Population Health; University of Auckland; Auckland New Zealand
4. COMPASS Research Centre; University of Auckland; Auckland New Zealand
5. School of Nursing; University of Auckland; Auckland New Zealand
6. Waitemata District Health Board; Auckland New Zealand