1. Program Evaluation Unit, Centre for Health Program Evaluation, School of Population Health, University of Melbourne, PO Box 477, West Heidelberg, Victoria, 3081, Australia
2. St Vincent's Mental Health Service, Melbourne, Australia
3. Department of Psychiatry, University of Melbourne and Director
4. Mood Disorders Unit, The Melbourne Clinic, Melbourne, Australia
5. University of Melbourne
6. Mental Health Research Institute, Melbourne, Australia