1. Helen M. Lapsley, Senior Lecturer; Kate Tribe, Research Assistant, School of Health Services Management, University of New South Wales, Sydney, New South Wales 2052 Australia.
2. Chris Tennant, Professor and Head of the Department of Psychological Medicine; Alan Rosen, Director Royal North Shore and Community Health Services; Coletta Hobbs, Research Officer; Lesley Newton, Research Officer, Royal North Shore Hospital, St Leonards, Australia