1. Psychiatrist, Academic Unit for Psychiatry of Old Age, University of Melbourne, Melbourne, and St. Vincent's Aged Psychiatry Service, St Georges Hospital, Kew, VIC, Australia.
2. Associate Professor and Psychiatrist, University of Melbourne, North West Aged Persons Mental Health Program, Sunshine, VIC, Australia.
3. Statistician, ORYGEN Youth Health Research Centre, The University of Melbourne, Parkville, VIC, Australia.
4. Senior Lecturer and Occupational Therapist, School of Occupational Therapy, La Trobe University, Bundoora, VIC, Australia.