1. Coletta Hobbs, Research Officer; Christopher Tennant, Head; Lesley Newton, Research Officer, Department of Psychological Medicine, Royal North Shore Hospital, St Leonards, New South Wales 2065, Australia.
2. Alan Rosen, Director, Royal North Shore Hospital and Community Mental Health Services, St Leonards, Australia
3. Helen M. Lapsley, Senior Lecturer; Kate Tribe, Research Officer, School of Health Services Management, The University of New South Wales, Sydney, Australia
4. Judith E. Brown, Research Coordinator, Medical Psychology Unit, The University of Sydney, Sydney, Australia