1. Resident Medical Officer, Western Australia Country Health Service, Albany, WA, Australia
2. Research Fellow/Biostatistician, The Rural Clinical School Western Australia, QEII Medical Centre, Nedlands, WA, Australia
3. Consultant Psychiatrist, Great Southern Mental Health Service, Western Australia Country Health Service, Albany, WA, and; Clinical Senior Lecturer, The Rural Clinical School of Western Australia and University of Western Australia, Nedlands, WA, Australia