1. Professor of Psychological Medicine, University of Sydney, Nepean Hospital, Sydney, NSW, Australia.
2. Senior Staff Specialist, University of Newcastle, Mater Hospital, Newcastle, NSW, Australia.
3. Consultant Researcher DSH CPG Team and Editorial Manager RANZCP CPG Programme, Melbourne, Vic., Australia.
4. Associate Professor of Psychiatry, St Vincents Hospital, University of New South Wales, NSW, Australia.
5. Professor of Psychiatry, University of Adelaide, Adelaide, SA, Australia.