1. Helen Macpherson Smith Institute of Community Health, Royal District Nursing Service, St Kilda, Victoria, Australia;
2. Silver Chain Nursing Association, Osborne Park, Western Australia;
3. School of Nursing & Midwifery, Curtin University of Technology, Bentley, Western Australia;
4. Centre for Research on Ageing within the Curtin Health Innovation Research Institute, Curtin University of Technology, Bentley, Western Australia;
5. School of Public Health, La Trobe University, Bundoora, Victoria, Australia;
6. School of Nursing, University of Melbourne, Parkville, Victoria, Australia
7. Royal Melbourne Hospital, Parkville, Victoria, Australia.